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Patents for Allen Mfg. Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
960,244Jun. 07, 1910W.G. AllenManufacture of Screws
1,371,350Mar. 15, 1921S.A. CampbellWrenchsocket wrenches
1,489,696Apr. 08, 1924S.A. CampbellSocket Wrenchsocket wrenches
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