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Patents for Silas B. Rittenhouse
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
136,182Feb. 25, 1873S.B. RittenhouseImprovement in lath-machineslath making machines
184,109Nov. 07, 1876S.B. RittenhouseImprovement in dogs for saw-mill carriagessawmill dogs
474,566May 10, 1892S.B. RittenhouseWrenchalligator wrenches
492,435Feb. 28, 1893S.B. RittenhousePipe Wrenchwedge adjust wrenches
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