Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
Name | Patent Title | Patent Number |
City | Year |
---|---|---|---|---|
David R. WILDER | oxidation resistant coating on articles of yttrium metal | 03109752 | Ames | 1963 |
David R. WILDER | oxidation-resistant coating on articles of ytrium metal | 03266928 | Ames | 1966 |
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