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US Patent: 227,845
Dynamo Electric Machine
Patentee: William Sawyer (exact or similar names) - New York, NY USPTO Classifications: 310/54 Tool Categories: electrical devices : electric motors : DC motors Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 16, 1880 Granted: May 18, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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