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Patents for Sylvanus D. Shepperd
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
504,283Aug. 29, 1893S.D. ShepperdWater Motorhydraulic motors
521,443Jun. 12, 1894S.D. ShepperdGas Engineinternal combustion engines
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