| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Clayton A. HOPKINS | traffic signal and flume guard | 02267860 | Colo | 1941 |
| Roger M. HOPKINS | kerosene oil burner | 01594731 | Colo | 1926 |
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