James Q. Steigelman

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Athens, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing metallic powders
- Patent number 4,705,560
- Issue date Nov 10, 1987
- GTE Products Corporation
- Preston B. Kemp
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Flexible bilayered sheet, one layer of which contains abrasive part...
- Patent number 4,228,214
- Issue date Oct 14, 1980
- GTE Products Corporation
- James Q. Steigelman
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cast cemented refractory metal carbides having improved sintered de...
- Patent number RE29865
- Issue date Dec 19, 1978
- GTE Sylvania Incorporated
- James Q. Steigelman
- 075 - Specialized metallurgical processes, compositions for use therein, cons...
Information Patent Grant
Refractory metal carbide articles and laminating method for produci...
- Patent number 4,112,180
- Issue date Sep 5, 1978
- GTE Sylvania Incorporated
- James Q. Steigelman
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cast cemented refractory metal carbides having improved sintered de...
- Patent number 4,003,716
- Issue date Jan 18, 1977
- GTE Sylvania Incorporated
- James Q. Steigelman
- B22 - CASTING POWDER METALLURGY