| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| David R. BOYLAND | quick curing process for producing super phosphate | 03041158 | Ames | 1962 |
| David R. BOYLAND | process for high temperature gaseous of calcium sulfate | 03607045 | Ames | 1971 |
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