Patents for Edward E. Coffin


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