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US Patent: 422,512
Electro-magnet
Patentee: Rudolf Eickemeyer (exact or similar names) - Yonkers, NY USPTO Classifications: 314/109, 335/240, 335/266, 335/272 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: James S. Fitch R. D. Sawyer	Patent Dates: Applied: Aug. 18, 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

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