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US Patent: 403,487
Dynamo Electric Machine
Patentee: Frank A. Perret (exact or similar names) - Brooklyn, NY USPTO Classifications: 310/216.037, 310/216.127 Tool Categories: electrical devices : electric motors Assignees: Elektron Mfg. Co. - Brooklyn, NY Manufacturer: Not known to have been produced Witnesses: James J. Ferry William J. Howie Emile Kenkel Lawrence J. McConnell	Patent Dates: Applied: Dec. 29, 1888 Granted: May 14, 1889 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Elektron Mfg. Co.

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