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All Patents in class 37/259
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	450,487	Apr. 14, 1891	J.W. Haughawout	Rotary Snow Plow
	2,083,996	Jun. 15, 1937	T.G. Jonn	Centrifugal fan
	4,346,526	Aug. 31, 1982	J.J. Michel, C.A. Mattson	Snow thrower

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