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All Patents in class 279/122
Patents 1 - 5 of 5
First set of recordsLast set of records
NumberDatePatenteeTitleType
489,936Jan. 17, 1893C.M. ConradsonRod Gripping Deviceworkpiece changers and storage mechanisms
509,039Nov. 21, 1893L. KirchenbauerBolt Threadertap and die holders
790,656May 23, 1905J. PearsonAutomatic Chuckmetal lathe chucks
890,848Jun. 16, 1908E.S. Mummert, J.O. DixonScrew Threading Machinemetal threading machines
1,117,241Nov. 17, 1914W.L. ProcunierBit and tap chuckdrill press chucks
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