All Patents in class 91/407


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All Patents in class 91/407
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	2,397,814	Apr. 02, 1946	H.J. Caldwell, S.F. Manning, E.Y. Seborg	Honing machine
	2,454,235	Nov. 16, 1948	E.J. Tomek	Drilling machine