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All Patents in class 83/147
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
423,953Mar. 25, 1890J.B. PutrowShingle-sawing machineshingle machines
559,362May 05, 1896F. ChallonerSpalt Dropper for Rotary Shingle Sawing Machinesshingle machines
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