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James P. Ellsworth
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Beaver, PA, US
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last 30 patents
Information
Patent Grant
Electrical switching apparatus employing twice-energized trip actuator
Patent number
6,061,217
Issue date
May 9, 2000
Eaton Corporation
Kurt A. Grunert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Current limiting circuit interrupter with insulating wedge
Patent number
4,801,772
Issue date
Jan 31, 1989
Westinghouse Electric Corp.
Walter V. Bratkowski
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker with magnetic shunt hold back circuit
Patent number
4,725,800
Issue date
Feb 16, 1988
Westinghouse Electric Corp.
Kurt A. Grunert
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker for use on AC and DC circuits
Patent number
4,419,649
Issue date
Dec 6, 1983
Westinghouse Electric Corp.
Eugene J. Walker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker with stored energy toggle-lock structure
Patent number
4,336,516
Issue date
Jun 22, 1982
Westinghouse Electric Corp.
Walter V. Bratkowski
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker with electromechanical trip means
Patent number
4,295,025
Issue date
Oct 13, 1981
Westinghouse Electric Corp.
William E. Beatty
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit breaker with improved arc extinguishing means
Patent number
4,266,210
Issue date
May 5, 1981
Westinghouse Electric Corp.
Stephen A. Mrenna
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ground fault protective device
Patent number
4,077,055
Issue date
Feb 28, 1978
Westinghouse Electric Corporation
John T. Wilson
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER