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US Patent: 642,615
Dynamo Electric Machine
Patentee: Christian W. Kragh (exact or similar names) - Madison, Dane County, WI USPTO Classifications: 310/157, 310/66, 384/609 Tool Categories: electrical devices : electric motors : motor bearings Assignees: Northern Electrical Mfg. Co. - Madison, Dane County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 11, 1899 Granted: Feb. 06, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Northern Electrical Mfg. Co.

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