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All Patents in class 144/10
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
131,648Sep. 24, 1872W.L. YoungMachine for making escalator treadsspecialty woodworking machines
328,013Oct. 13, 1885S. CoxMachine for making conveyer-flightsspecialty woodworking machines
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