| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Grover L. BRIDGER | production of phosphatic fertilizers | 02522500 | Ames | 1950 |
| Grover L. BRIDGER | method for the manufacture of superphosphate | 02528514 | Ames | 1950 |
| Grover L. BRIDGER | stabilizing red phosphorus | 02559684 | Ames | 1951 |
| Grover L. BRIDGER | separation of menthol from mint oils by a fractional distillation process | 02662052 | Ames | 1953 |
| Grover L. BRIDGER | fertilizer compositions and method of preparation thereof | 02782113 | Ames | 1957 |
| Grover L. BRIDGER | feed chute structure and method of feeding particulate material | 02799377 | Ames | 1957 |
| Grover L. BRIDGER | method of impregnating wood with wood-preserving oil | 02799597 | Ames | 1957 |
| Grover L. BRIDGER | separation process for thorium salts | 02815262 | Ames | 1957 |
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