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US Patent: 1,007,902
Commutator-short-circuiting device
Patentee:
Louis Henry Thullen - Cincinnati, OH

USPTO Classifications:
310/167, 310/236

Tool Categories:
electrical devices : electric motors : induction motors : repulsion start induction run motors

Assignees:
Triumph Electric Co. - Cincinnati, OH

Manufacturer:
Triumph Electric Co. - Cincinnati, OH

Witnesses:
Clarence Price
G. H. Liebel

Patent Dates:
Applied: Apr. 01, 1910
Granted: Nov. 07, 1911

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Triumph Electric Co.

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