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Patents for Percy H. Root
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	908,142	Dec. 29, 1908	P.H. Root	Lawn Mower Grinder
	1,077,306	Nov. 04, 1913	P.H. Root	Grinding Machine
	2,069,097	Jan. 26, 1937	P.H. Root	Knife grinder

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