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All Patents in class 407/9
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
421,345Feb. 11, 1890S. BensonTool Holder for Slotting Machinesmetal slotting machines
450,031Apr. 07, 1891L.B. NielsenTool-holderlathe tool holders
513,954Jan. 30, 1894W.H. OwenMetal-working toollathe tools
535,440Mar. 12, 1895J. ArmstrongTool Holder
665,538Jan. 08, 1901C.P. MingstCutting Toollathe tools
1,381,457Jun. 14, 1921M.H. DerringerTool Holderlathe tools
3,699,843Oct. 24, 1972A.N. SweenyTool having resilient bumpermetalworking machine tool holders
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