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Patents for Frederick J. Bourn
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
538,639Apr. 30, 1895W.R. Hale, F.J. BournWrenchaxle nut wrenches that lock nut to wheel hub
560,339May 19, 1896W.R. Hale, F.J. BournAxle Nut Wrenchaxle nut wrenches that lock nut to wheel hub
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