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Patents Granted on 1981-04-??
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
4,259,815Apr. 07, 1981W.G. KubanBlade sharpenersharpening apparatus
4,261,233Apr. 14, 1981J.W. KonecayRatchet Wrench of the Socket Drive Typeratchet wrenches
4,261,234Apr. 14, 1981H. BerbalkLathe for Machining a Crankshaftcrankshaft lathes
4,261,675Apr. 14, 1981F. ZanklMachine Tool With Pulsating Cutting Forcemilling machines
4,262,455Apr. 21, 1981R. RettewHead Positioning for a Belt Grindersurface grinders
4,262,527Apr. 21, 1981J.A. Thompson, D.D. GroverSelf-Adjusting Engine Timing Pickup Probe
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