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Patents Granted on 1981-__-__
Patents 1 - 15 of 33
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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, 1981J.F. Brodbeck, R. Kazusky, Jr.Sliding 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, 1981K. Nakata, H. SuwaElectrically 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
4,267,627May 19, 1981R. DouglasAttachment for Valve Spring Depressing Toolvalve spring tools
4,270,743Jun. 02, 1981C.P. CromptonForward numbering or underlap sheet delivery
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