| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| David R. BOYLAN | fertilizer compositions and method fo preparation thereof | 02782113 | Ames | 1957 |
| David R. BOYLAN | reductive decomposition of calcium sulfate | 03087790 | Ames | 1963 |
| David R. BOYLAN | method of producing dicalcium phosphate | 03427124 | Ames | 1969 |
| David R. BOYLAN | method of producing dicalcium phosphate | 03427124 | Ames | 1969 |
| David R. BOYLAN | process for pelletizing limestone fines | 04430281 | Ames | 1984 |
Copyright © - 2020–2024 Mark Christian