| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Ralph M. HIXON | pulp product and process of making the same | 01756722 | Ames | 1930 |
| Ralph M. HIXON | isolating levulose as the lime levulate | 01970605 | Ames | 1934 |
| Ralph M. HIXON | producing products of fermentation | 01991993 | Ames | 1935 |
| Ralph M. HIXON | production of furfural | 02078241 | Ames | 1937 |
| Ralph M. HIXON | processing artichoke tuber | 02086536 | Ames | 1937 |
| Ralph Malcolm HIXON | pulping tissues by means of a volatile base | 01802715 | Ames | 1931 |
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