Patents for Edward E. Coffin


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Patents for Edward E. Coffin
Patents 1 - 4 of 4
Picture	Number	Date	Patentee	Title
	2,217,671	Oct. 15, 1940	A.L. Krause, E.E. Coffin	Milling Machine
	2,217,672	Oct. 15, 1940	A.L. Krause, E.E. Coffin	Milling Machine
	2,261,052	Oct. 28, 1941	A.L. Krause, E.E. Coffin	Machine Tool
	2,615,372	Oct. 28, 1952	E.E. Coffin	Milling Machine Spindle Axial Shift Control