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Patents for Frank Drew Winkley
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
552,737Jan. 07, 1896F.D. WinkleyOil-cupbicycles and tricycles
1,066,238Jul. 01, 1913F.D. WinkleyLubricatortool lubricators
1,201,414Oct. 17, 1916F.D. WinkleyLubricating systemmotor vehicles
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