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All Patents in class 474/36
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	2,248,948	Jul. 15, 1941	H.A. Bowers	Variable Speed Transmission
	2,258,776	Oct. 14, 1941	A.W. L'Hommedieu, E. Hawkinson	Variable speed mechanism
	2,475,955	Jul. 12, 1949	W.E. Gerbing	Variable pitch pulley
	2,561,712	Jul. 24, 1951	H.J. Siekmann, G.J. Kasselmann	Adjustable pulley v-belt transmission

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