All Patents in class 403/231


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All Patents in class 403/231
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	162,001	Apr. 13, 1875	B.F. Allen	Improvement in chairs
	313,193	Mar. 03, 1885	E.L. Gaylord	Device for Locking Joints
	1,008,262	Nov. 07, 1911	A.A. Harvie	Knockdown Carpenter's Square
	2,194,085	Mar. 19, 1940	J.E. Hastings	Rule Clamp