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Patents for Bishop & Fairchild
Patents 1 - 3 of 3
First set of recordsLast set of records
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
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