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US Patent: 397,492
Brush for electric generators
Patentee: Rudolf Eickemeyer (exact or similar names) - Yonkers, NY USPTO Classifications: 310/244, 310/249 Tool Categories: electrical devices : electric generators Assignees: None Manufacturer: Not known to have been produced Witnesses: C. D. Danforth James S. Fitch	Patent Dates: Applied: Oct. 17, 1888 Granted: Feb. 12, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Osterheld & Eickemeyer
Description: Invention is the combination of a carbon brush with a metallic current-carrying spring.

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