Peter M. Kowalik

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Penn Township, Allegheny County, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual spring circuit interrupter apparatus
- Patent number 4,162,385
- Issue date Jul 24, 1979
- Westinghouse Electric Corp.
- Fred Bould
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Single barrel puffer circuit interrupter with downstream gas coolers
- Patent number 4,144,426
- Issue date Mar 13, 1979
- Westinghouse Electric Corp.
- Peter M. Kowalik
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker apparatus with static pressure lock
- Patent number 4,105,881
- Issue date Aug 8, 1978
- Westinghouse Electric Corp.
- Peter M. Kowalik
- H01 - BASIC ELECTRIC ELEMENTS