Histories
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| Cedar County, Iowa Histories |
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Submitted by Lynn McCleary August 18, 2020
| Surname | Given Name | Residence | Title of Invention | Patent Number | Patent Granted |
| Asselbergs | Christophe K. | Durant, IA | Room air fan housing | USD366934S | 6 Feb 1996 |
| Asselbergs | Christophe K. | Durant, IA | Portable fan booster for air vents | US5489238A | 6 Feb 1996 |
| Asselbergs | Christophe K. J. | Durant, IA | Register booster | USD595832S1 | 7 Jul 2009 |
| Bailey | Eric | West Branch, IA | Automated flash removing apparatus | US6086295A | 11 Jul 2000 |
| Bailey | Larry E. | West Branch, IA | Utilization of plastic films to control gas pressure and reduce foam in cellular foam products | US4477504A | 16 Oct 1984 |
| Batzkiel | Chester | Tipton, IA | Method and apparatus for pressure testing storage tanks | US6889865B1 | 10 May 2005 |
| Billings | Elizabeth A. | Mechanicsville, IA | Latch for an electrical device | US6801111B2 | 5 Oct 2004 |
| Biondo | John P. | Durant, IA | Patient removal system | US7559103B2 | 14 Jul 2009 |
| Biondo | John P. | Durant, IA | Docking station for patient support | US7636966B2 | 29 Dec 2009 |
| Biondo | John P. | Durant, IA | System for compression therapy | US9220655B2 | 29 Dec 2015 |
| Biondo | John P. | Durant, IA | Patient-support apparatus with a locking deck section | US8640287B2 | 4 Feb 2014 |
| Biondo | John P. | Durant, IA | Chair having powered leg extension | US8662595B2 | 4 Mar 2014 |
| Biondo | John P. | Durant, IA | Architectural headwall cabinet for storing a lift device | US8683750B2 | 1 Jan 2014 |
| Biondo | John P. | Durant, IA | Chair | US8414074B2 | 9 Apr 2013 |
| Biondo | John P. | Durant, IA | Thermoregulation equipment for patient room | US8499503B2 | 6 Aug 2013 |
| Biondo | John P. | Durant, IA | Patient-support apparatus with a locking deck section | US8117697B2 | 21 Feb 2012 |
| Biondo | John P. | Durant, IA | Birthing bed lift off foot section | US8327480B2 | 11 Dec 2012 |
| Biondo | John P. | Durant, IA | Chair | US8328283B2 | 11 Dec 2012 |
| Biondo | John P. | Durant, IA | Stowing birthing bed foot section | US7669259B2 | 2 Mar 2010 |
| Biondo | John P. | Durant, IA | Stowing birthing bed foot section | US7757317B2 | 20 Jul 2010 |
| Boddicker | Dan | Tipton, IA | Wakeup and safety circuits | US6590758B1 | 8 Jul 2003 |
| Boddicker | Daniel J. | Tipton, IA | Automatic step for recreational vehicles | US5547040A | 20 Aug 1996 |
| Brooke | Scott A. | West Branch, IA | Infrared heating mechanism and system | US8295690B2 | 23 Oct 2012 |
| Buls | Vincent | Tipton, IA | Universal room extension | US6905154B1 | 14 Jun 2005 |
| Buls | Vincent | Tipton, IA | Device for removing water and other debris from the roof of an expandable room on a vehicle | US7380854B1 | 3 Jun 2008 |
| Buls | Vincent | Tipton, IA | Seal for expandable rooms | US7419202B1 | 2 Sep 2008 |
| Buls | Vincent | Tipton, IA | Retractable platform and staircase for a recreational vehicle | US9994141B1 | 12 Jun 2018 |
| Buls | Vincent | Tipton, IA | Retractable staircase for a recreational vehicle | US9725042B1 | 8 Aug 2017 |
| Buls | Vincent | Tipton, IA | Saddle rack lift mechanism | US8529184B1 | 10 Sep 2013 |
| Buls | Vincent | Tipton, IA | Expandable room leveling system and method | US8091940B1 | 10 Jan 2012 |
| Buls | Vincent | Tipton, IA | Universal room extension for expandable rooms | US7717485B1 | 18 May 2010 |
| Buls | Vincent D. | Tipton, IA | Recreational vehicle with a convertible bed | US8186744B1 | 29 May 2012 |
| Buls | Vincent D. | Tipton, IA | Retractable staircase for a recreational vehicle | US8075008B1 | 13 Dec 2011 |
| Burrough | James M. | Tipton, IA | Self filling fountain pen | US1943785A | 16 Jan 1934 |
| Carty | Greg | Clarence | Method and apparatus for pressure testing storage tanks | US6889865B1 | 10 May 2005 |
| Christensen | Ronald L. | West Branch, IA | Portable stadium cushion | USD328402S | 4 Aug 1992 |
| Cox | Donald E. | West Branch, IA | Adjustable boat floor insert | US5809928A | 22 Sep 1998 |
| Dierickx | James | Lowden, IA | Energy harvesting system | US8723344B1 | 13 May 2014 |
| Douds | Charles | Tipton, IA | Adjustable step for vehicles | US1762052A | 3 Jun 1930 |
| Eby | Adam | Mechanicsville, IA | Frangible antenna mount | US7443361B2 | 28 Oct 2008 |
| Edgerton | Orlando V. | West Branch, IA | Road map for automobiles | US1823825A | 15 Sep 1931 |
| Edgerton | Orlando V. | West Branch, IA | Road map for automobiles | US1823825A | 15 Sep 1931 |
| Edgerton | Orlando V. | West Branch, IA | Automobile signal | US1970080A | 14 Aug 1934 |
| Ehlert | Elmer R. | Tipton, IA | Unloader for farm vehicles | US2530350A | 14 Nov 1950 |
| Elijah | Jerry D. | Tipton, IA | Method and apparatus for braking torque amplifier | US4298106A | 3 Nov 1981 |
| Elijah | Jerry D. | Tipton, IA | Control system for combine header | US4541229A | 17 Sep 1985 |
| Elijah | Jerry E. | Tipton, IA | Method and means for controlling torque amplifier | US5307914A | 3 May 1994 |
| Engels | Shawn M. | Tipton, IA | Wurster accelerator with powder applicator | US9839926B2 | 12 Dec 2017 |
| Engels | Shawn M. | Tipton, IA | Wurster accelerator with powder applicator | US9751099B2 | 5 Sep 2017 |
| Erickson | Jason D. | Durant, IA | Table leg | USD444969S1 | 17 Jul 2001 |
| Erickson | Jason D. | Durant, IA | Caster support | USD464872S1 | 29 Oct 2002 |
| Erickson | Jason D. | Durant, IA | Height adjustable table leg | US6598841B2 | 29 Jul 2003 |
| Fox | Charles E. | Durant, IA | Aluminum cleaning composition and process | US4940493A | 10 Jul 1990 |
| Fox | Charles E. | Durant, IA | Aluminum cleaning composition and process | US4959105A | 25 Sep 1990 |
| Fox | Charles E. | Durant, IA | Gasoline additive composition and Method for using same | US5055625A | 8 Oct 1991 |
| Fox | Charles E. | Durant, IA | Tire bonding systems | US5462617A | 31 Oct 1995 |
| Fox | Patsy E. | Durant, IA | Aluminum cleaning composition and process | US4940493A | 10 Jul 1990 |
| Fox | Patsy E. | Durant, IA | Aluminum cleaning composition and process | US4959105A | 25 Sep 1990 |
| Fryauf | Michael Frank | West Branch, IA | Apparatus for substantially simultaneously forming multiple articles having different properties | Us6679696B1 | 20 Jan 2004 |
| Fryauf | Michael Frank | West Branch, IA | Automated process and apparatus for substantially simultaneously forming multiple articles having different properties | US6792739B1 | 21 Sep 2004 |
| Greenwald | Roy C. | Mechanicsville, IA | Sample holder | US1742069A | 31 Dec 1929 |
| Griebat | Joseph | Mechanicsville, IA | Method and system for producing reduced gluten oat mixture | US10034490B2 | 31 Jul 2018 |
| Griebat | Joseph | Mechanicsville, IA | Method and system for producing reduced gluten oat mixture | US9364866B2 | 14 Jun 2016 |
| Griebat | Joseph | Mechanicsville, IA | Method and system of preventing rancidity in whole grain corn products | US7955634B2 | 7 Jun 2011 |
| Hanser | Paul | Tipton, IA | Space saving room extender | US6067756A | 30 May 2000 |
| Hanser | Paul | Tipton, IA | Pivot connector for extendable rooms | US6708454B1 | 23 Mar 2004 |
| Hanser | Paul E. | Tipton, IA | Apparatus for synchronizing linear actuator movement | US5511459A | 30 Apr 1996 |
| Hanser | Paul E. | Tipton, IA | Automatic step for recreational vehicles | US5547040A | 20 Aug 1996 |
| Hanser | Paul E. | Tipton, IA | Pivotal extension apparatus for motor homes and recreational vehicles | US5772270A | 30 Jun 1998 |
| Hanser | Paul E. | Tipton, IA | Pivotal extension apparatus for motor homes and recreational vehicles | US5908215A | 1 Jun 1999 |
| Hanser | Paul E. | Tipton, IA | Extendable room | US5983576A | 16 Nov 1999 |
| Hanser | Paul E. | Tipton, IA | Locking mechanism for expandable rooms | US6186692B1 | 13 Feb 2001 |
| Hanser | Paul E. | Tipton, IA | Level floor room extension | US6345855B2 | 12 Feb 2002 |
| Hanser | Paul E. | Tipton, IA | Seal for expandable rooms | US7419202B1 | 2 Sep 2008 |
| Hanser | Paul E. | Tipton, IA | Hydraulilc slidable storage for a recreational vehicle | US7621587B1 | 24 Nov 2009 |
| Hanser | Paul E. | Tipton, IA | Hydraulilc slidable storage for a recreational vehicle | US7621587B1 | 24 Nov 2009 |
| Hanser | Paul Edmund | Tipton, IA | Flat floor room extension | US6052952A | 25 Apr 2000 |
| Hanser | Paul Edmund | Tipton, IA | Vertical arm flat floor extension and vertical arm housing | US6533338B1 | 18 Mar 2003 |
| Hanser | Paul Edmund | Tipton, IA | Automatic suspension control system for motor vehicles | US6665597B1 | 16 Dec 2003 |
| Hanser | Paul Edmund | Tipton, IA | Floor slot room extender | US6658798B1 | 9 Dec 2003 |
| Hanser | Paul Edmund | Tipton, IA | Chain driven linkage assemblies for room extensions | US6679541B1 | 20 Jan 2004 |
| Hanser | Paul Edmund | Tipton, IA | Linkage for expandable rooms | US6729670B1 | 4 May 2004 |
| Hanser | Paul Edmund | Tipton, IA | Universal room extension | US6905154B1 | 14 Jun 2005 |
| Hanser | Paul Edmund | Tipton, IA | Device for removing water and other debris from the roof of an expandable room on a vehicle | US7380854B1 | 3 Jun 2008 |
| Hanser | Paul Edmund | Tipton, IA | Synchronization cylinder having chambers with different volumes | US7603942B1 | 20 Oct 2009 |
| Hanser | Paul | Tipton, IA | Saddle rack lift mechanism | US8529184B1 | 10 Sep 2013 |
| Hanser | Paul | Tipton, IA | Retractable platform and staircase for a recreational vehicle | US9994141B1 | 12 Jun 2018 |
| Hanser | Paul | Tipton, IA | Retractable staircase for a recreational vehicle | US9725042B1 | 8 Aug 2017 |
| Hanser | Paul E. | Tipton, IA | Air seal | USD692593S1 | 29 Oct 2013 |
| Hanser | Paul E. | Tipton, IA | Retractable staircase for a recreational vehicle | US8075008B1 | 13 Dec 2011 |
| Hanser | Paul Edmund | Tipton, IA | Expandable room leveling system and method | US8091940B1 | 10 Jan 2012 |
| Hanser | Paul Edmund | Tipton, IA | Recreational vehicle with a convertible bed | US8186744B1 | 29 May 2012 |
| Hanser | Paul Edmund | Tipton, IA | Height averaging means for use with a motor vehicle suspension control system | US7806417B1 | 5 Oct 2010 |
| Hanser | Paul Edmund | Tipton, IA | Coupler assembly | US7857361B1 | 28 Dec 2010 |
| Hanser | Paul Edmund | Tipton, IA | Hydraulic synchronizing cylinder | US7685927B1 | 30 Mar 2010 |
| Hanser | Paul Edmund | Tipton, IA | Universal room extension for expandable rooms | US7717485B1 | 18 May 2010 |
| Harvey | Henry S. | West Branch, IA | Power operated portable general utility machine | US2473883A | 21 Jun 1949 |
| Hinds | Robert | Mechanicsville, IA | Method and system for quickly connecting a 1u personal computer | U6711012B1 | 23 Mar 2004 |
| Hinds | Robert D. | Mechanicsville, IA | Upgradeable system and method for connecting a 1u personal computer | US6496364B1 | 17 Dec 2002 |
| Hinds | Robert D. | Mechanicsville, IA | Method and system for quickly connecting a 1u personal computer | US6549400B1 | 15 Apr 2003 |
| Hinds | Robert Dean | Mechanicsville, IA | Single extender card method and system for troubleshooting a personal computer | US6789148B1 | 7 Sep 2004 |
| Hintze | Olga C. | Lowden, IA | Combination picnic tray and platter | US2652702A | 22 Sep 1953 |
| Howard | Carey W. | Lowden, IA | System and method for providing certified weighing services at remotely attended scales | US7432456B2 | 7 Oct 2008 |
| Isenhower | Rex E. | Stanwood, IA | Crossbow with built in electric cocking | US10359254B1 | 23 Jul 2019 |
| Isenhower | Rex E. | Stanwood, IA | Shooting bow with reduced limb travel | US10408560B1 | 10 Sep 2019 |
| Isenhower | Rex E. | Stanwood, IA | Projectile launching device with self-timing and without cam lean | US10458742B1 | 29 Oct 2019 |
| Isenhower | Rex E. | Stanwood, IA | Crossbow with built in cocking device | US10458743B1 | 29 Oct 2019 |
| Isenhower | Rex E. | Stanwood, IA | Multi-draw weight archery bow with cable timing | US10514227B1 | 24 Dec 2019 |
| Isenhower | Rex E. | Stanwood, IA | Adjustable trigger pull for a crossbow | US10215522B1 | 26 Feb 2019 |
| Isenhower | Rex E. | Stanwood, IA | Reverse style crossbow having four cable pulleys | US9879938B1 | 30 Jan 2018 |
| Isenhower | Rex E. | Stanwood, IA | Shooting bow with reduced limb travel | US10126089B1 | 13 Nov 2018 |
| Isenhower | Rex E. | Stanwood, IA | Multi-draw weight archery bow with cable timing | US10139189B1 | 27 Nov 2018 |
| Isenhower | Rex E. | Stanwood, IA | Shooting bow with reduced limb travel | US10139191B1 | 27 Nov 2018 |
| Isenhower | Rex E. | Stanwood, IA | Silent safety for a crossbow | US10066894B1 | 4 Sep 2018 |
| Isenhower | Rex E. | Stanwood, IA | Self-centering anti-dry fire device for a crossbow | US10012468B1 | 3 Jul 2018 |
| Isenhower | Rex E. | Stanwood, IA | Shooting bow with reduced limb travel | US10018442B1 | 10 Jul 2018 |
| Isenhower | Rex E. | Stanwood, IA | Projectile launching device with self-timing and without cam lean | US10048036B1 | 14 Aug 2018 |
| Isenhower | Rex E. | Stanwood, IA | Multi-draw weight archery bow with cable timing | US9945634B1 | 17 Apr 2018 |
| Isenhower | Rex E. | Stanwood, IA | Projectile launching device with self-timing and without cam lean | US9751099B2 | 5 Sep 2017 |
| Isenhower | Rex E. | Stanwood, IA | Multi-element one piece crossbow frame | US9696107B1 | 4 Jul 2017 |
| Isenhower | Rex E. | Stanwood, IA | Reverse style crossbow | US9513080B1 | 6 Dec 2016 |
| Isenhower | Rex E. | Stanwood, IA | Shooting bow with pulleys | US9243861B1 | 26 Jan 2016 |
| Jacobsen | Le Roy V. | Durant, IA | Adjustable abutment for automobile frame presses | US2547757A | 3 Apr 1951 |
| Jacobsen | Le Roy V. | Durant, IA | Measuring means for determining camber and caster of vehicle wheels | US2554621A | 29 May 1951 |
| Jacobsen | Le Roy V. | Durant, IA | Camber and caster gauge | US2569416A | 25 Sep 1951 |
| Jacobsen | Le Roy V. | Durant, IA | Bilaterally and uniformly extensible unit | US2581021A | 1 Jan 1952 |
| Jacobsen | Le Roy V. | Durant, IA | Camber and caster gauge | USRE23730E | 27 Oct 1953 |
| Jacobsen | Le Roy V. | Durant, IA | Electrical device for measuring angles | US2742707A | 24 Apr 1956 |
| Jacobsen | Le Roy V. | Durant, IA | Attachment for frame straightening machines | US2742945A | 24 Apr 1956 |
| Jacobsen | Le Roy V. | Durant, IA | Wheel balancing machine | US2968185A | 17 Jan 1961 |
| Jepsen | Donna | Durant, IA | Scarf support | US5060316A | 29 Oct 1991 |
| Johnson | Forest W. | Mechanicsville, IA | Trash knife | US2519766A | 22 Aug 1950 |
| Jones | Harlan M. | Mechanicsville, IA | Vibratory split roll | US4089616A | 16 May 1978 |
| Jones | Larry D. | Bennett, IA | Conveyor tensioning system | US7849999B1 | 14 Dec 2010 |
| Kasper | James Edward | Tipton, IA | Revolver with cylinder shroud | US8590198B2 | 26 Nov 2013 |
| Klavemann | Trilby | Bennett, IA | Apparatus for housebreaking pets | US5649500A | 22 Jul 1997 |
| Krumm | Paul J. | West Branch, IA | Vacuum cup doppler flow transducer and Method for using same | US4355643A | 26 Oct 1982 |
| Laughlin | Donald E. | West Branch, IA | Vacuum cup doppler flow transducer and Method for using same | US4355643A | 26 Oct 1982 |
| Laughlin | Donald E. | West Branch, IA | Catheter for treating arterial occlusion | US4589419A | 20 May 1986 |
| Lehman | David | Tipton, IA | Method and apparatus for pressure testing storage tanks | US6889865B1 | 10 May 2005 |
| Lewis | Roy A. | West Branch, IA | Vehicle suspension member | US5265902A | 30 Nov 1993 |
| Logsden | Johnathon Leslie | Tipton, IA | Retreaded tires and method for making the same without spray cement | US6368439B1 | 9 Apr 2002 |
| Long | John | Tipton, IA | Means and method for interlocking bolts and nuts | US1815517A | 21 Jul 1931 |
| Maher | Larry A. | West Branch, IA | Wurster accelerator with powder applicator | US9839926B2 | 12 Dec 2017 |
| Maher | Larry A. | West Branch, IA | Wurster accelerator with powder applicator | US9751099B2 | 5 Sep 2017 |
| Marshall | Lori | West Branch, IA | Methods and apparatus to manage and execute actions in computing environments based on a type of virtual compute node | US10108455B2 | 23 Oct 2018 |
| Marshall | Lori | West Branch, IA | Methods and apparatus to manage and execute actions in computing environments based on a routing path | US10122649B2 | 6 Nov 2018 |
| Maxson | Don F. | West Branch, IA | Transport and storage container for scaffold frames and braces | US7878338B2 | 1 Feb 2011 |
| McMath | Allen M. | West Branch, IA | Tablet cleaning apparatus | US3466695A | 16 Sep 1969 |
| Meyer | Lester E. | Stanwood, IA | Automatic weigher for cattle feed and the like | US3013622A | 19 Dec 1961 |
| Meyer | Lloyd H. | Tipton, IA | Portable garden container | USD348852S | 19 Jul 1994 |
| Meyer | Ralph | West Branch, IA | Self-sealing detachable balloon | US6312405B1 | 6 Nov 2001 |
| Meyer | Ralph | West Branch, IA | Self-sealing detachable balloon | US6736793B2 | 18 May 2004 |
| Miller | Harold E. | West Branch, IA | Knee brace | US4524764A | 25 Jun 1985 |
| Miner | Raymond F. | West Branch, IA | Bait holder | US2600314A | 10 Jun 1952 |
| Miner | Raymond F. | West Branch, IA | Guard for fishhooks and the like | US2711611A | 28 Jun 1955 |
| Miner | Raymond F. | West Branch, IA | Casting bait | US2718086A | 20 Sep 1955 |
| Monckmeier | Gustav C. | Tipton, IA | Automatic take up bearing | US1825410A | 29 Sep 1931 |
| Monckmeier | Gustav C. | Tipton, IA | Bearing cap facer | US1823461A | 15 Sep 1931 |
| Monckmeier | Gustav C. | Tipton, IA | Bearing cap finishing device | US1934729A | 14 Nov 1933 |
| Monckmeier | Gustav C. | Tipton, IA | Bearing cap finishing device | US1971078A | 21 Aug 1934 |
| Petersen | John | Durant, IA | Battery lifter | US1781077A | 11 Nov 1930 |
| Popham | Randy L. | Durant, IA | Chair with tilt lock mechanism | US7066538B2 | 27 Jun 2006 |
| Poppen | Kami | West Branch, IA | Modular commercial microwave oven | US8367990B2 | 5 Feb 2013 |
| Proctor | Benjamin J. | Tipton, IA | Wall panel system | US7958683B2 | 14 Jun 2011 |
| Reidesel | Ernest H. Jr. | Bennett, IA | Closure for storage batteries | US2281800A | 5 May 1942 |
| Richards | Michael L. | West Branch, IA | Triacylglycerol-based alternative to paraffin wax | US6645261B2 | 11 Nov 2003 |
| Riedesel | Ernest H. | Bennett, IA | Mattress carrier | US3955826A | 11 May 1976 |
| Rippentrop | Adam | Tipton, IA | Contemporaneous capture and tagging of media evidence for education evaluation | US10325509B2 | 18 Jun 1919 |
| Rippentrop | Adam James | Tipton, IA | Contemporaneous capture and tagging of media evidence for education evaluation | US10223927B2 | 5 Mar 2019 |
| Rippentrop | Adam James | Tipton, IA | Contemporaneous capture and tagging of media evidence for education evaluation | US9583015B2 | 28 Feb 2017 |
| Rixe | Carl | Bennett, IA | Water wheel | US1773010A | 12 Aug 1930 |
| Schiele | Arthur F. | Durant, IA | Golf bag support | US2672311A | 16 Mar 1954 |
| Schmitt | Ernest C. | Durant, IA | Safety device for glasses | US1779015A | 21 Oct 1930 |
| Scorpil | Greg A. | Tipton, IA | System and method for leveling an appliance | US6601806B2 | 5 Aug 2003 |
| Scorpil | Greg A. | Tipton, IA | Refrigerator with upper french style doors | USD495719S1 | 7 Sep 2004 |
| Scorpil | Greg A. | Tipton, IA | Refrigerator incorporating french doors with rotating mullion bar | US7008032B2 | 7 Mar 2006 |
| Shane | Nicholas | Bennett, IA | Flail chopper assembly for an agricultural combine | US10405498B2 | 10 Sep 2019 |
| Shane | Nicholas | Bennett, IA | Crop residue management deflector | US10462965B2 | 5 Nov 2019 |
| Shane | Nicholas | Bennett, IA | Stalk conditioner for a header of an agricultural combine | US10159189B2 | 25 Dec 2018 |
| Shane | Nicholas | Bennett, IA | Spreader width control | US9974232B2 | 22 May 2018 |
| Shane | Nicholas | Bennett, IA | Process for windrow chute clean out while operating an agricultural harvester | US9943031B1 | 17 Apr 2018 |
| Shane | Nicholas S. | Bennett, IA | Chopper for an agricultural harvester | US9949442B2 | 24 Apr 2018 |
| Shane | Nicholas S. | Bennett, IA | Spreader arrangement for an agricultural harvester | US9801340B2 | 31 Oct 2017 |
| Shane | Nicholas S. | Bennett, IA | Counter knife bank debris deflector | US9227193B2 | 5 Jan 2016 |
| Shultz | Paul | Tipton, IA | Mailbox with automatic signal | US3331552A | 18 Jul 1967 |
| Sindt | Gale L. | Tipton, IA | Apparatus and method for improving the ride quality of lift trucks | US6308762B1 | 30 Oct 2001 |
| Sindt | Gale L. | Tipton, IA | Apparatus and method for improving the ride quality of lift trucks | US6621042B2 | 16 Sep 2003 |
| Sisler | Charles A. | Stanwood, IA | Traction wheel for tractors | US2146235A | 7 Feb 1939 |
| Sweeney | David J. | Durant, IA | Material handling vehicle with product placement indication | US9679447B2 | 13 Jun 2017 |
| Thimmes | George E. | Mechanicsville, IA | Sample holder | US1742069A | 31 Dec 1929 |
| Thimmes | George E. | Mechanicsville, IA | Switch | US1884382A | 25 Oct 1932 |
| Thimmes | George E. | Mechanicsville, IA | Anti-skid tire chain | US1889300A | 29 Nov 1932 |
| Thimmes | George E. | Mechanicsville, IA | Combined toilet seat and infant's seat | US2692992A | 2 Nov 1954 |
| Thompson | Robert Stanley | Bennett, IA | Aiming device for indirect fire guns | US3824699A | 23 Jul 1974 |
| Trede | George H. | Durant, IA | Fluidtight vertical bearing | US2601731A | 1 Jul 1952 |
| Tyler | Richard S. | West Branch, IA | Pseudospontaneous neural stimulation system and Method | US6295472B1 | 25 Sep 2001 |
| Tyler | Richard S. | West Branch, IA | System and method for diagnosing and/or reducing tinnitus | US6631295B2 | 7 Oct 2003 |
| Van Oort | Levi D. | Clarence, IA | Systems and methods for user driven avionics graphics | US10163185B1 | 25 Dec 2018 |
| Wagner | Forrest L. | Tipton, IA | Welder's helmet | US2725559A | 6 Dec 1955 |
| Wagner | Forrest L. | Tipton, IA | Weld clearing tools | US2908962A | 20 Oct 1959 |
| Wiemers | Denise M. | West Branch, IA | Method of preparation of compounds containing perfluoroalkyl groups | US4582921A | 15 Apr 1986 |
| Wiemers | Denise M. | West Branch, IA | Method of preparation of compounds containing perfluoroalkyl groups | US4650887A | 17 Mar 1987 |
| Wiemers | Denise M. | West Branch, IA | Method of preparation of trifluoromethyl copper and trifluoromethyl aromatics | US4749802A | 7 Jun 1988 |
| Wiemers | Denise M. | West Branch, IA | Method of preparation of trifluoromethyl copper and trifluoromethyl aromatics | US4895991A | 23 Jan 1990 |
| Yates | Mike | Stanwood, IA | Method and system for removing matter from a pickup truck | US6371564B1 | 16 Apr 2002 |
| Yerington | Steven C. | Tipton, IA | Methods & means for on-roadway recycling of pavement and recovering steels therefrom | US5762446A | 9 Jun 1998 |
| Yerington | Steven C. | Tipton, IA | Method and means for on-roadway recycling of pavement and recovering steels therefrom | US5921706A | 13 Jul 1999 |
| Zimmerman | Jamie | West Branch, IA | Apparatus for removing scent from clothing | US8685327B2 | 1 Apr 2014 |
| Zimmerman | Jamie | West Branch, IA | Scent eliminating locker | US8898925B2 | 2 Dec 2014 |
| Zimmerman | Jamie | West Branch, IA | Apparatus for removing scent from clothing | US8119070B2 | 21 Feb 2012 |