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Cerro Gordo County

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Iowa Patents and Inventors

Cerro Gordo County (1872-2021)



LastFirstTitlePatent NumberCityYear
AdamsRobertgrate928921Mason City1909
AikinArthurlug shield for tractor wheels1377794Mason City1921
AlexanderRichardintrinsically safe battery circuit4749934Mason City1988
AlexanderRichardmethod and apparatus for charging a nickel-cadmium battery4806840Clear Lake1989
AlexandresRichardautomatic resetting temperature controlled battery changing system4045720Mason City1977
AlexandresRichardelectric vehicle cell5521021Clear Lake1996
AlexandresRichardsmall battery cell5532075Clear Lake1996
AlexandresRichardlaser inscribed battery case5418088Clear Lake1995
AlexandresJongolf vent5997407Mason City1999
AlexandresRichardfilling fixture for electric vehicle cell5914201Clear Lake1999
AlexandresRichardmethod for vacuum filling and sealing of a battery cell5588970Clear Lake1996
AlexandresRichardflexible welding board for battery pack5607793Clear Lake1997
AlexandresRichardprocess and apparatus for spot-welding a flexible welding board to a battery cell5223690Clear Lake1993
AlexandresRichardprocess and apparatus for spot-welding a flexible welding board to a battery cell5229566Clear Lake1993
AlexandresRichardwelding system for a battery pack5298712Clear Lake1994
AlexandresRichardflexible welding board for battery pack5314764Clear Lake1994
AlexandresRichardmethod and apparatus for measuring the voltage and charge of a battery5315253Clear Lake1994
AlexandresRichardmethod and apparatus for measuring the voltage and charge of a battery5144248Clear Lake1992
AlexandresRichardbattery maintenance system5196779Clear Lake1993
AlexandresRichardmethod of filling battery cell5738690Clear Lake1998
AlexandresRichardmethod for making a battery pack5761792Clear Lake1998
AlexandresJongolf vent with ball return6193613Mason City2001
AlexandresJonbattery housing for a portable radio telephone344926Mason City1994
AlexandresJonbattery housing for a portable radio telephone348044Mason City1994
AlexandresJoncellular telephone battery349093Mason City1994
AlexandresJonbattery housing for a communication transceiver349094Mason City1994
AlexandresJoncellular telephone battery350328Mason City1994
AlexandresJoncellular telephone battery352269Mason City1994
AlexandresJonbattery housing for a communications transceiver355158Mason City1995
AlexandresJonbattery housing for a portable radio telephone356065Mason City1995
AllenClarencelawn trimmer1505685Mason City1924
AllinghamJamesstove pipe thimble212532Mason City1879
AnderbergOscarbuilding construction1805538Mason City1931
AnderbergOscartile1854324Mason City1932
AndersonMauricelife preserver suit1901859Mason City1933
AndersonRickyanimal waste collection pit flushing apparatus and method5062387Mason City1991
AndrewsRaymolding means having opposed core assemblies4023769Clear Lake1977
AngellThomaselectrical box retainer4693438Mason City1987
AngellThomassingle piece, electrical box retainer303081Mason City1989
ArnoldFrankcontact lens polishing apparatus3111790Mason City1963
ArnoldFrankprojection apparatus for use in testing3111881Mason City1963
ArvanitisJamesmeat cutter2170512Mason City1939
AshleyLloydsaw filing machine1232476Mason City1917
AttwoollRobertcheck rein319437Clear Lake1885


Source: United States Patent and Trademark Office (USPTO)
Repository: Iowa's Patent and Trademark Resource Center at the Davenport Public Library.
Transcribed for Cerro Gordo County IAGenWeb by Jennifer Gunderson (Feb 2021).
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