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Patents for John A. Bell
Patents 1 - 5 of 5
First set of recordsLast set of records
150,385Apr. 28, 1874J. YerkesImprovement in wedges for tool-handleshammers
156,002Oct. 13, 1874C.A. WarfieldImprovement in bench-knivesknives and cutters
175,617Apr. 04, 1876A. MorganImprovement in saw-setssaw sets
179,167Jun. 27, 1876H.M. Du BoisImprovement in polishing-machinesbelt sanders
1,539,987Jun. 02, 1925J.A. BellAdjustable Wrenchquick adjust wrenches
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