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Patents for J. B. Harsh
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
87,833Mar. 16, 1869J.B. FinkSpindle Wrenchaxle nut wrenches that lock nut to wheel hub
101,938Apr. 12, 1870R.H. StrongImprovement in saw-filing machinesaw sharpening machines
493,273Mar. 14, 1893M.F. KillingerRatchet Wrenchratchet wrenches
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