Patents for Charles A. Cook


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Patents for Charles A. Cook
Patents 1 - 2 of 2
Picture	Number	Date	Patentee	Title
	132	Feb. 25, 1837	T. Davenport	Improvement in propelling machinery by magnetism and electro-magnetism
	6,121	Feb. 20, 1849	R. Cook	Improvement in Electro-Magnetic Ore-Separators