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US Patent: 271,947
Commutator for Dynamo Machines
Patentee: Elihu Thomson (exact or similar names) - New Britain, Hartford County, CT USPTO Classifications: 310/236 Tool Categories: electrical devices : electric motors : motor commutators Assignees: American Electric Co. - New Britain, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: E. Wilbur Rice F. L. Hungerford W. B. Thomson J. B. Norton	Patent Dates: Applied: Mar. 02, 1882 Granted: Feb. 06, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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