Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
Name | Patent Title | Patent Number |
City | Year |
---|---|---|---|---|
Harry C. ANDREWS | cation exchange separation process | 02723901 | Ames | 1955 |
Maurice L. ANDREWS | process of preparing zirconium oxychloride | 02942944 | Ames | 1960 |
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