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Patents for George W. Bishop
Patents 1 - 9 of 9
First set of recordsLast set of records
NumberDatePatenteeTitleType
57,466Aug. 28, 1866G.W. BishopImprovement in ratchet-drillsratchet braces
58,765Oct. 16, 1866G.W. BishopImprovement in friction-clutch pulleysindustrial machine pulleys and belt drive mechanisms
69,533Oct. 08, 1867G.W. BishopImprovement in drilling machinesdrill presses
71,358Nov. 26, 1867G.W. BishopAsh-sifter
75,116Mar. 03, 1868G.W. BishopImprovement in gates
78,178May 26, 1868G.W. BishopImprovement carpet-cleaning machine
89,461Apr. 27, 1869G.W. BishopImprovement in Pawl-Wrenches and Bracesratchet wrenches
144,731Nov. 18, 1873G.W. BishopMechanisms for Reversing Enginessteam engine valve gear
245,122Aug. 02, 1881G.W. BishopCombination Tool
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