US1871050A
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Method of mulching
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US1164634A
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Electric riveter.
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US935648A
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Ball-bearing for vertical shafts.
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US895992A
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Method of making annular bearings.
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US811708A
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Ball-bearing.
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US848163A
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Electric heating.
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US811136A
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Lifting-jack.
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US865636A
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Roller-bearing.
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US798096A
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Propeller-shaft thrust-bearing.
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CA79481A
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Thrust bearings
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US755287A
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Antifriction end-thrust device.
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US747541A
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Holder for use in making isodiametric bodies.
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US747542A
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Machine for making isodiametric bodies.
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US718110A
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Antifriction end-thrust device.
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US718111A
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Antifriction end-thrust device.
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US670951A
|
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Antifriction-bearing.
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US676940A
|
|
Antifriction-bearing.
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US676939A
|
|
Antifriction end-thrust device.
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US650383A
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Roller-bearing.
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US670950A
|
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Antifriction-bearing.
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