All Patents in class 475/326


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All Patents in class 475/326
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	161,986	Apr. 13, 1875	H.W. Sherrill	Reversing Pulley or Gear Wheel
	626,884	Jun. 13, 1899	H.B. Binsse	Gearing
	797,001	Aug. 15, 1905	F.H. Heitger	Speed-Changing Gear
	2,856,797	Oct. 21, 1958	C.F. Dassance	Variable speed geared pulley