Penkunas; Joseph J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Penkunas; Joseph J..The latest application filed is for "method of producing metal carbide grade powders and controlling the shrinkage of articles made therefrom".
- Penkunas; Joseph J. - Sayre PA
| Patent | Date |
|---|---|
| Method of producing metal carbide grade powders and controlling the shrinkage of articles made therefrom Grant 5,045,277 - Penkunas , et al. September 3, 1 | 1991-09-03 |
| Method for producing tungsten carbide grade powders suitable for isostatic compaction Grant 5,007,957 - Penkunas , et al. April 16, 1 | 1991-04-16 |
| Method for producing metal carbide grade powders Grant 4,886,638 - Penkunas , et al. December 12, 1 | 1989-12-12 |
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