| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Oliver A. HALEY | granular material metering machine | 03161328 | Nevada | 1964 |
| Oliver A. HALEY | granular material spreading machine | 03185486 | Nevada | 1965 |
| Oliver A. HALEY | granular material mixing machine | 03215314 | Nevada | 1965 |
| Oliver A. HALEY | apparatus for selectively adjustably measuring the volume of a plurality of materials | 03241818 | Nevada | 1966 |
| Oliver A. HALEY | vibratory conveyor | 03263802 | Nevada | 1966 |
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