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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:
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