| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Emil G. GRULKE | grain cleaning device | 03370705 | Kelley | 1968 |
| Emil G. GRULKE | grain cleaning device | 03513973 | Kelley | 1970 |
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