Patents for Leon F. Marsh


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Patents for Leon F. Marsh
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	GB-543,217	Feb. 16, 1942	G. Smith, L.F. Marsh, E.S. Bird	Improvements in or relating to electro-magnetic heaters
	2,306,316	Dec. 22, 1942	L.F. Marsh	Die structure for injection molding machines
	2,309,496	Jan. 26, 1943	G. Smith, L.F. Marsh, E.S. Bird	Heating apparatus for injection molding machines