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Patents for Leon F. Marsh
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,306,316	Dec. 22, 1942	L.F. Marsh	Die structure for injection molding machines	plastic molding machines
2,309,496	Jan. 26, 1943	G. Smith, L.F. Marsh, E.S. Bird	Heating apparatus for injection molding machines	plastic molding machines

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