US1781083A
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Power-driving unit
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US1482623A
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Mechanical element and method of making the same
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US1482622A
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Gearing and method of making the same
|
US1482621A
|
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Screw and gear making machine
|
US1425144A
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Toothed gearing
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US1422000A
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Cam gearing
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US1242603A
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Car-brake-operating mechanism.
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US1245623A
|
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Hoisting mechanism.
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US1245622A
|
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Lifting-jack.
|
US1345028A
|
|
Gear-cutting machine
|
US1245621A
|
|
Automobile drive mechanism.
|
US879679A
|
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Hoisting device.
|
CA96008A
|
|
Hoisting device
|
US802890A
|
|
Hoisting device.
|
US768822A
|
|
Hoisting device.
|
US768821A
|
|
Lifting-jack.
|
CA87918A
|
|
Radio-helical cam gearing
|
US755051A
|
|
Radiohelical cam-gearing.
|
US712855A
|
|
Motor.
|
US688344A
|
|
Machine for milling cams.
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