All Patents in class 280/11


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All Patents in class 280/11
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	12,850	May 15, 1855	D. Thompson, A. Thompson, D.S. Barber	Sleigh
	1,591,539	Jul. 06, 1926	A. Levedahl	Crank-case venting means for pneumatic tools
	2,090,324	Aug. 17, 1937	J. Boisvert	Road grader attachment