Joseph J. Penkunas

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Sayre, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing metal carbide grade powders and controlling the...
- Patent number 5,045,277
- Issue date Sep 3, 1991
- GTE Products Corporation
- Joseph J. Penkunas
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for removal of paraffin wax based binders from green articles
- Patent number 5,021,208
- Issue date Jun 4, 1991
- GTE Products Corporation
- David C. Ludwig
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing tungsten carbide grade powders suitable for is...
- Patent number 5,007,957
- Issue date Apr 16, 1991
- GTE Products Corporation
- Joseph J. Penkunas
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing metal carbide grade powders
- Patent number 4,902,471
- Issue date Feb 20, 1990
- GTE Products Corporation
- Joseph J. Penkunas
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing metal carbide grade powders
- Patent number 4,886,638
- Issue date Dec 12, 1989
- GTE Products Corporation
- Joseph J. Penkunas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...