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Patents for J. Charles Beckfeld
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
362,187May 03, 1887J.C. Beckfeld, A. SchmidGas Enginegas and gasoline engines
RE10,878Nov. 01, 1887J.C. Beckfeld, A. SchmidGas Enginegas and gasoline engines
396,022Jan. 08, 1889J.C. BeckfeldGas Enginegas and gasoline engines
403,294May 14, 1889J.C. Beckfeld, A. SchmidAir and Gas Enginegas and gasoline engines
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