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All Patents in class 81/460
Patents 1 - 12 of 12
First set of recordsLast set of records
1,371,965Mar. 15, 1921P. YorkPort Plug Wrenchautomotive specialty wrenches
1,380,562Jun. 07, 1921M. KeatingValve Plug Remover
1,908,081May 09, 1933J.P. ThompsonScrew driverscrewdrivers
2,046,837Jul. 07, 1936H.F. PhillipsMeans for Uniting a Screw with a Driver
2,046,838Jul. 07, 1936H.F. PhillipsScrew Driverscrewdrivers
2,046,840Jul. 07, 1936T.M. Fitzpatrick, H.F. PhillipsScrew Driverscrewdrivers
2,507,231May 09, 1950L.D. Tomalis, administratrix, J.J. Tomalis, estate of (deceased)Screw Driver Having Cruciform Bitscrewdriver blades
2,522,217Sep. 12, 1950L.J. Wendling, H.G. FischerComposite bit device for screw drivers and the likescrewdriver blades
D160,645Oct. 24, 1950J.V. MiloTank Cap Toolwrenches
4,970,922Nov. 20, 1990B. KrivecTorque Driving Tool and Retainer for Driven Member
5,251,521Oct. 12, 1993D.A. Burda, M.D. BlackstonTORX-compatible elliptical driverwrench set holders
5,408,905Apr. 25, 1995C.D. Thompson, F. MikicTiltable Ball-Type Driver
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