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All Patents in class 408/56
Patents 1 - 15 of 27
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NumberDatePatenteeTitleType
9,398XFeb. 13, 1836W. KeaneImprovement in Machines for Cutting Wood and Other Screwsscrew machines
RE2Apr. 16, 1838W. KeaneImprovement in Machines for Cutting Wood and Other Screwsscrew machines
79,608Jul. 07, 1868S. StantonSawing Stonestone cutting machines
157,700Dec. 15, 1874C. SellersMachines for Threading Bolts
342,688May 25, 1886J. ErnstBoring-machineportable timber borers
439,122Oct. 28, 1890L.B. CurtisPipe and Bolt Threading Attachment for Lathesmetal lathe accessories and attachments
467,937Feb. 02, 1892E.E. Winkley, E.H. KavanaghStone Working Machinestoneworking tools
498,811Jun. 06, 1893P. O'Donoghue, S.P. OrthDevice for Cutting Pearl, &c.button making machinery
567,271Sep. 08, 1896J.S. Howard, W.B. Howard, Jr.Auger Bit - Lubricatingauger bits
854,144May 21, 1907P. BroadbooksDrill Bitmetalworking twist drills
925,181Jun. 15, 1909L.F. HartScrew Cutting Devicetap and die holders
1,090,299Mar. 17, 1914A.M. Harrington, R.F. ScottBolt-cutting machinenut or bolt making machines
1,442,149Jan. 16, 1923H.J. HjorthDrilling Machinedrill presses
1,658,808Feb. 14, 1928V. Julien, D.C. KlausmeyerDrill Column with Coaxial Power Linemetalworking machine mechanisms
1,783,019Nov. 25, 1930A.M. JohnsonHoning machinehoning machines
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