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US Patent: 356,834
Electric motor
Patentee: William W. Griscom (exact or similar names) - Haverford College, Montgomery County, PA USPTO Classifications: 310/216.094, 310/40R, 310/60R, 310/64 Tool Categories: electrical devices : electric motors : DC motors Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 25, 1885 Granted: Feb. 01, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Electro-Dynamic Co.

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