All Patents in class 409/19


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All Patents in class 409/19
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	955,498	Apr. 19, 1910	J.M. Campbell	Gear Cutting Attachment for Lathes
	978,113	Dec. 06, 1910	P. Catucci	Hobbing gear-cutter
	1,364,597	Jan. 04, 1921	B.F. Waterman	Gear-Cutting Machine
	2,839,968	Jun. 24, 1958	A.D. Moncrieff	Hobbing Machine