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US Patent: 450,367
Insulation of armatures for dynamo-electric machines
Patentee: Rudolf Eickemeyer (exact or similar names) - Yonkers, NY USPTO Classifications: 310/264 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles Steinmetz Henry Osterheld	Patent Dates: Applied: Aug. 28, 1890 Granted: Apr. 14, 1891 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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