All Patents in class 29/893.3


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All Patents in class 29/893.3
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	3,121,352	Feb. 18, 1964	W.B. McCardell	Tooth Forming Method and Apparatus
	3,276,135	Oct. 04, 1966	W.B. McCardell	Gear Tooth Checking System