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All Patents in class 74/441
Patents 1 - 15 of 41
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NumberDatePatenteeTitleType
206,067Jul. 16, 1878R. AllisonFeed Screw and Nut For Rock Drills, etc.auxiliary wrenches
253,266Feb. 07, 1882S. DarlingScrew Nutnut or bolt making machines
439,660Nov. 04, 1890A. HolmquistFeed Screw and Nut for the Samemetalworking power transmission
458,325Aug. 25, 1891A.T. GiffordMilling-machinemilling machines
513,683Jan. 30, 1894F. HolzMilling Machinemilling machines
520,918Jun. 05, 1894J. FlatherAdjustable Stop for Taper Turning Lathesmetal lathe accessories and attachments
525,771Sep. 11, 1894E.H. ParksMechanism for Taking Up Lost Motion
525,780Sep. 11, 1894J. BoyntonMechanism for Taking Up Lost Motionmetalworking machine mechanisms
555,604Mar. 03, 1896W.A. KeyserFeed Screw for Rock Drillsstone boring and drilling machines
596,232Dec. 28, 1897F.E. SchmittRoller-frame adjustment for sanderssanding machines
1,256,471Feb. 12, 1918T. GeneroWear Compensating Feed Screw for Drills
1,397,731Nov. 22, 1921F.A. Parsons, J. GoetzTable Operating Mechanisim for Machine Toolsmetalworking machine mechanisms
1,726,377Aug. 27, 1929J.B. ArmitageTransmission for Machine Tool Supportsmilling machines
1,874,491Aug. 30, 1932H. FritschiGrinding Machinegrinding machines
1,955,954Apr. 24, 1934L.A. DumserBack-lash compensator
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