Robert W. Kopp

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Ballston Lake, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Alternating segment ring structure
- Patent number 4,726,962
- Issue date Feb 23, 1988
- General Electric Company
- Paul A. Siemers
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Alternating segment ring structure
- Patent number 4,657,823
- Issue date Apr 14, 1987
- General Electric Company
- Paul A. Siemers
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Wear resistant gun barrel and method of forming
- Patent number 4,577,431
- Issue date Mar 25, 1986
- General Electric Company
- Paul A. Siemers
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for controlling dimensions of RSPD articles
- Patent number 4,537,742
- Issue date Aug 27, 1985
- General Electric Company
- Paul A. Siemers
- B22 - CASTING POWDER METALLURGY