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Patents Granted on 1981-__-__
Patents 1 - 15 of 35
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NumberDatePatenteeTitleType
4,242,926Jan. 06, 1981N.T. AntonDevice for sharpening saw chains
4,246,811Jan. 27, 1981F.L. Heim, J.R. BondhusBall head polygonal wrenchwrenches
4,246,943Jan. 27, 1981G.L. CroomeensInfeed assembly for random length end shaping machinesjoint making machines
4,248,115Feb. 03, 1981R. Kazusky, Jr., J.F. BrodbeckSliding table assembly—tilting arbor sawstablesaw accessories
4,250,624Feb. 17, 1981E.J. PartingtonMiter table for use with a saber sawhandheld power tools
4,253,351Mar. 03, 1981H. AllenCork extractorlever cork extractors
4,254,895Mar. 10, 1981E.G. CheakApparatus for automatic alignment and attachment of a doorjamb and stopspecialty machines
4,255,861Mar. 17, 1981H. Suwa, K. NakataElectrically Digital Display Micrometermicrometers
4,256,295Mar. 17, 1981E.A. EgnerAdjustable Clampclamps
4,261,233Apr. 14, 1981J.W. KonecayRatchet Wrench of the Socket Drive Typeratchet wrenches
4,261,675Apr. 14, 1981F. ZanklMachine tool with pulsating cutting force
4,262,527Apr. 21, 1981J.A. Thompson, D.D. GroverSelf-Adjusting Engine Timing Pickup Probe
4,266,120May 05, 1981R. JohnstoneUnmanned machining center with tool checking
CA-1,100,743May 12, 1981C.B. Sipek, R.B. Clegg, R. JohnstoneTool storage magazine for a machine tooltool changers and storage mechanisms
4,267,627May 19, 1981R. DouglasAttachment for Valve Spring Depressing Toolvalve spring tools
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