| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Irving E. MELHUS | composition for and process of treating plant wounds | 01785641 | Ames | 1930 |
| Irving E. MELHUS | herbicide | 02007433 | Ames | 1935 |
| Irving E. MELHUS | herbicide | 02094366 | Ames | 1937 |
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