All Patents in class 474/36


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