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All Patents in class 74/89.38
Patents 1 - 15 of 22
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NumberDatePatenteeTitleType
240,223Apr. 19, 1881G.D. BelcherHand-drillhand drills
248,263Oct. 11, 1881J.S. Bancroft, W. SellersTurning Lathemetalworking machine mechanisms
407,688Jul. 23, 1889A. RenetzkyDrillhand drills
502,131Jul. 25, 1893E.J. McClellanFeed Motionmetalworking power transmission
520,142May 22, 1894A. GoddardDrilling-machinedrill presses
572,709Dec. 08, 1896E.J. McClellanLatheengine lathes
596,232Dec. 28, 1897F.E. SchmittRoller-frame adjustment for sanderssanding machines
922,120May 18, 1909C.M. FosterPipe-Threading Machine.pipe threading machines
1,108,107Aug. 18, 1914A.L. De LeeuwFeed Mechanism for Machine Toolsmetalworking variable speed mechanisms
1,122,649Dec. 29, 1914W.T. SearsAdjusting mechanismradial drill presses
1,228,210May 29, 1917I.E. HindmanScrew-jackscrew jacks
1,397,731Nov. 22, 1921F.A. Parsons, J. GoetzTable Operating Mechanisim for Machine Toolsmetalworking machine mechanisms
1,398,978Dec. 06, 1921H.C. SmithTool-Driving Machinemetalworking power transmission
1,562,831Nov. 24, 1925H.W. Hunt, F.E. CardulloClutch mechanismindustrial machine clutches
1,912,033May 30, 1933C.B. De VliegMachine tool
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