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All Patents in class 407/30
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
5,894XMar. 30, 1830W.W. SouthworthCutting screws and gimletstool maker
5,894Oct. 31, 1848J. JohnsonHand-drillhand drills
43,673Aug. 02, 1864R. DudgeonDrilldrill bits
336,762Feb. 23, 1886O. SmithTool for drill pressescountersinks
1,093,581Apr. 14, 1914A.J. BakerMeans Increasing Cutter Efficiencymilling machine cutters
1,662,638Mar. 13, 1928G.L. CurleSlug Sawing Device
3,673,654Jul. 04, 1972F.G. RickCutting Head for a Chamfering Toolmilling machine tools
3,699,843Oct. 24, 1972A.N. SweenyTool having resilient bumpermetalworking machine tool holders
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