Semel; Frederick J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Semel; Frederick J..The latest application filed is for "methods of preparing high density powder metallurgy parts by iron based infiltration".
- Semel; Frederick J. - Riverton NJ US
- Semel; Frederick J. - Philadelphia PA
| Patent | Date |
|---|---|
| Methods of preparing high density powder metallurgy parts by iron based infiltration Grant 8,636,948 - Semel , et al. January 28, 2 | 2014-01-28 |
| Methods of preparing high density powder metallurgy parts by iron based infiltration App 20050142025 - Semel, Frederick J. | 2005-06-30 |
| Method of making powder metallurgical compositions Grant 6,068,813 - Semel May 30, 2 | 2000-05-30 |
| Method for preparing binder-treated metallurgical powders containing an organic lubricant Grant 5,256,185 - Semel , et al. October 26, 1 | 1993-10-26 |
| Low Alloy Age-hardenable Steel And Process Grant 3,619,303 - Semel November 9, 1 | 1971-11-09 |
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