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John P. Majcher
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Chippewa Township, Beaver County, PA, US
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last 30 patents
Information
Patent Grant
Circuit breaker contact arm with variable force pivot
Patent number
4,644,121
Issue date
Feb 17, 1987
Westinghouse Electric Corp.
Jere L. McKee
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Drawout switchgear with blow-out prevention device
Patent number
4,281,227
Issue date
Jul 28, 1981
Westinghouse Electric Corp.
James O. Rexroad
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Drawout switchgear with telescoping cam shaft
Patent number
4,262,175
Issue date
Apr 14, 1981
Westinghouse Electric Corp.
James O. Rexroad
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Contact structure for drawout switchgear
Patent number
4,121,067
Issue date
Oct 17, 1978
Westinghouse Electric Corp.
James O. Rexroad
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Circuit breaker with adjustable thermal trip unit
Patent number
3,949,331
Issue date
Apr 6, 1976
Westinghouse Electric Corporation
Albert R. Cellerini
H01 - BASIC ELECTRIC ELEMENTS