All Patents in class 409/43


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All Patents in class 409/43
Patents 1 - 5 of 5
Picture	Number	Date	Patentee	Title
	407,437	Jul. 23, 1889	G.B. Grant	Machine for Planing Gear Teeth
	645,428	Mar. 13, 1900	E. Polanowski	Machine for Milling Angular Toothed Bevel Wheels
	665,054	Jan. 01, 1901	H. Bilgram	Gear-cutting machine
	RE13,502	Dec. 31, 1912	H. Bilgram	Gear-cutting machine
	1,587,709	Jun. 08, 1926	S.H. Earl	Gear-generating machine