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US688340A
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Direct-current dynamo-electric machine.
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US683279A
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Control system for electric cars.
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US669125A
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Vehicle-wheel.
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US664046A
|
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System of non-interchangeable contact parts.
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US729211A
|
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Circuit-breaker.
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US667980A
|
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Terminal socket.
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US692348A
|
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System of electrical distribution.
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US655219A
|
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System of electrical distribution.
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US656291A
|
|
Switch.
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US675419A
|
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Galvanic-battery cell.
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US642164A
|
|
Alternating-current wattmeter.
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US656454A
|
|
System of non-interchangeable electrical contact parts.
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US661241A
|
|
Thermal cut-out or fuse.
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US726963A
|
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Means for preventing the disturbance of telephone-circuits.
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