| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Barney CHRISTENSEN | self starter | 01123846 | Slater | 1915 |
| Leo M. CHRISTENSEN | method of dehydrating alcohol | 02038357 | Ames | 1936 |
| Leo M. CHRISTENSEN | production of furfural | 02078241 | Ames | 1937 |
| Leo M. CHRISTENSEN | production of ethyl alcohol from artichoke tubers | 02085003 | Ames | 1937 |
| Leo M. CHRISTENSEN | processing artichoke tuber | 02086536 | Ames | 1937 |
| Leo M. CHRISTENSEN | synthetic resins | 02109466 | Ames | 1938 |
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