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US Patent: 260,111
Commutator for dynamo electric machines
Patentees: James J. McTighe (exact or similar names) - Pittsburgh, PA Thomas J. McTighe (exact or similar names) - Pittsburgh, PA USPTO Classifications: 310/236 Tool Categories: electrical devices : electric motors : motor commutators Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 03, 1882 Granted: Jun. 27, 1882 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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