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All Patents in class 83/147
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	423,953	Mar. 25, 1890	J.B. Putrow	Shingle-sawing machine
	559,362	May 05, 1896	F. Challoner	Spalt Dropper for Rotary Shingle Sawing Machines

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