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US2536282A
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Trolley type collector for bus bar duct systems
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US2523869A
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Bus duct hanger
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US2523888A
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Clamp and fixture support for a bus duct system of power distribution
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US2504513A
|
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Electric circuit breaker
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US2551397A
|
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Electric circuit breaker
|
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US2551373A
|
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Electromagnetically actuated contactor with start and stop and hold-in switches
|
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US2494868A
|
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Circuit breaker
|
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US2494315A
|
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Electric switch unit
|
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US2512505A
|
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Operating means for enclosed switches
|
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US2506148A
|
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Safety switch
|
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US2501742A
|
|
Quick make and break mechanism for electric switches
|
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US2453314A
|
|
Power distribution system of the bus bar duct type
|
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US2468463A
|
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Electric switch actuating mechanism
|
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US2475338A
|
|
Actuating mechanism for enclosed switches
|
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US2479266A
|
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Quick make and break switch
|
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US2500635A
|
|
Electromagnetically actuated switch
|
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US2479234A
|
|
Electric connector of the puller type
|
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US2452019A
|
|
Clamp for electric fuses, etc.
|
|
US2501722A
|
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Clamping device for face plates, panel fronts, or trim for enclosed switches, etc.
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US2494314A
|
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Electric switch with snap action
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