Lueth; Roy C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lueth; Roy C..The latest application filed is for "method for carbon control of carbide preforms".
- Lueth; Roy C. - St. Clair MI
- Lueth; Roy C. - Marine City MI
| Patent | Date |
|---|---|
| Method for carbon control of carbide preforms Grant 4,579,713 - Lueth April 1, 1 | 1986-04-01 |
| Metallurgical process Grant 4,431,605 - Lueth February 14, 1 | 1984-02-14 |
| Boride coated cemented carbide Grant 4,268,582 - Hale , et al. May 19, 1 | 1981-05-19 |
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