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Patents for Charles A. Cook
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
132Feb. 25, 1837T. DavenportImprovement in propelling machinery by magnetism and electro-magnetismDC motors
6,121Feb. 20, 1849R. CookImprovement in Electro-Magnetic Ore-Separatorsore processing apparatus
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