|
US3058407A
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Multiple film camera
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US2965009A
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Helical groove cutting machine
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US2851696A
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Ventilating control means for water closets or toilets
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Metal slotting and shaping device
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Slot cutting device
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Ventilated water closet or toilet
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Ventilated water closet or toilet
|
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US1935131A
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Combined wrench and gauge
|
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Valve mechanism for internal combustion engines
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|
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|
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Pumping mechanism
|
|
US1887437A
|
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Micrometer
|
|
US1840852A
|
|
Cutting tool
|
|
US1581298A
|
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Grease pump
|
