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Dive into the research topics where David B. Powell is active.

Publication


Featured researches published by David B. Powell.


Archive | 1962

Motor operating mechanism for use with an electric circuit breaker

Keith W. Klein; David B. Powell


Archive | 1974

TRIP UNIT HAVING IMPROVED TRIP ADJUSTMENT INDICATOR AND CIRCUIT BREAKER INCORPORATING SAME

David B. Powell; Vincent P. Acampora


Archive | 1975

Accessory apparatus for tripping an electric circuit breaker

Vincent P. Acampora; David B. Powell


Archive | 1983

Electric switchboard apparatus with a breaker-fuse interlock

Roger N. Castonguay; Jon P. McCuin; David B. Powell


Archive | 1969

Compact circuit breaker construction

David B. Powell


Archive | 1960

Electrically-operated circuit-breaker

Harry W Archer; David B. Powell


Archive | 1962

Electric circuit breaker with toggle positioning means

Keith W. Klein; David B. Powell


Archive | 1960

Mounting and connecting means for electric circuit controlling devices

David B. Powell


Archive | 1975

CIRCUIT BREAKER WITH BELL ALARM AND BREAKER LOCKOUT ACCESSORY

David B. Powell; Vincent P. Acampora


Archive | 1965

Electric circuit breaker with cam surfaces and wedging roller

David B. Powell

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