All Patents in class 33/501.15


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All Patents in class 33/501.15
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	2,057,970	Oct. 20, 1936	H. Pelphrey	Lead Checking Device for Globoidal Worms
	2,529,931	Nov. 14, 1950	J.F. Gallup, Sr.	Auxilary Contact for Calipers
	3,195,239	Jul. 20, 1965	W.B. McCardell	Gear Tooth Checking System