Gary Czupryna

Follow

Person

Salem, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the synthesis of silicon nitride
- Patent number 4,619,905
- Issue date Oct 28, 1986
- GTE Laboratories Incorporated
- Samuel Natansohn
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the growth of alpha silicon nitride whiskers
- Patent number 4,604,273
- Issue date Aug 5, 1986
- GTE Products Corporation
- Gary Czupryna
- C30 - CRYSTAL GROWTH
Information Patent Grant
Process for separating tungsten from coinage metals
- Patent number 4,374,713
- Issue date Feb 22, 1983
- GTE Laboratories Incorporated
- Samuel Natansohn
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for separating tungsten from coinage metals
- Patent number 4,374,008
- Issue date Feb 15, 1983
- GTE Laboratories Incorporated
- Samuel Natansohn
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR