All Patents in class 318/83


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All Patents in class 318/83
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	273,490	Mar. 06, 1883	T.A. Edison	Electro Magnetic Railway System
	292,382	Jan. 22, 1884	L.W. Stockwell	Regulator for Electric Motors