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Patents for William H. Burr
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	106,374	Aug. 16, 1870	J.L. Knowlton	Improvement in lath-machine
	547,653	Oct. 08, 1895	S.L. Wiegand, W.H. Burr	Pipe Wrench

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