| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Iral B. JOHNS | preparing an elastomer | 02458001 | Ames | 1949 |
| Iral B. JOHNS | method of producing methylfuran | 02458857 | Ames | 1949 |
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