Patents for Willard E. Gerbing


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Patents for Willard E. Gerbing
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	2,305,128	Dec. 15, 1942	L.J. Andresen, W.E. Gerbing	Variable speed feed mechanism
	2,475,954	Jul. 12, 1949	W.E. Gerbing	Variable speed pulley
	2,475,955	Jul. 12, 1949	W.E. Gerbing	Variable pitch pulley
	2,714,313	Aug. 02, 1955	W.E. Gerbing	Variable pitch pulley