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US Patent: 422,511
Dynamo-electric machine
Patentee: Rudolf Eickemeyer (exact or similar names) - Yonkers, NY USPTO Classifications: 310/40R Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Edward P. Moffat Henry Osterheld	Patent Dates: Applied: Aug. 04, 1887 Granted: Mar. 04, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Osterheld & Eickemeyer
Description: Improvements to patent 342,504, 351,906, and 358,340.

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