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US Patent: 486,094
Secondary battery
Patentee: Rudolf Eickemeyer (exact or similar names) - Yonkers, NY USPTO Classifications: 429/161, 429/163, 429/233 Tool Categories: electrical devices : electric batteries Assignees: None Manufacturer: Not known to have been produced Witnesses: James S. Fitch Rudolf Eickemeyer, Jr.	Patent Dates: Applied: Apr. 04, 1890 Granted: Nov. 15, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Osterheld & Eickemeyer

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