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All Patents in class 157/1.49
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	1,468,055	Sep. 18, 1923	W.I. Tuttle	Valve-Grinding Apparatus
	1,881,029	Oct. 04, 1932	E.M. Pfauser	Socket Wrench

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