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All Patents in class 301/73
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
335,964Feb. 09, 1886R. ScheidlerWheeltraction engine wheels
575,107Jan. 12, 1897T. CorscadenSheet-metal pulleyindustrial machine pulleys and belt drive mechanisms
633,282Sep. 19, 1899H.C. ClayTraction Wheeltraction engine wheels
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