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US3136590A
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Collector-ring assembly
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US2678855A
|
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Self-lubricating shaft bearing
|
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US2624226A
|
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Sound annunciator
|
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US2492613A
|
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Alternating current motor and method of operation
|
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US2470264A
|
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Electric motor bearing
|
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US2436042A
|
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Motor terminal binding post
|
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US2505961A
|
|
Servo unit and motor
|
|
US2465224A
|
|
Electric motor
|
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US2515511A
|
|
Submarine motor-driven toy
|
|
US2456701A
|
|
Speed control mechanism for electric motors
|
|
US2487543A
|
|
Speed control mechanism for electric motors
|
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US2374347A
|
|
Rotor
|
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US2332634A
|
|
Bearing
|
|
US2312900A
|
|
Balanced brush for electric motors
|
|
US2323035A
|
|
Synchronous motor
|
|
US2305963A
|
|
Stator for alternating current motors
|
|
US2349620A
|
|
Method of fabricating rotors
|
|
US2304688A
|
|
Rotor for synchronous motors
|
|
US2256711A
|
|
Slow speed synchronous motor
|
|
US2295786A
|
|
Synchronous motor
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