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Patents for K. O. Lee & Son Co.
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	1,667,218	Apr. 24, 1928	T.S. Purnis	Tool for planing valve seats
	1,709,807	Apr. 16, 1929	T.S. Purnis	Liner for valve seats
	1,783,884	Dec. 02, 1930	C.C. Lee	Valve-seat liner

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