| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| William H. LAPP | vaporizing apparatus | 01922771 | Ames | 1933 |
| William H. LAPP | air conditionin | 01974244 | Ames | 1934 |
| William H. LAPP | processing cotton seed hulls for use as a litter | 02014900 | Nevada | 1935 |
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