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US Patent: 1,678,517
Short circuiting device for motor commutators
Patentee: Everett P. Larsh (exact or similar names) - Dayton, OH USPTO Classifications: 310/167 Tool Categories: electrical devices : electric motors : induction motors : repulsion start induction run motors Assignees: None Manufacturer: Master Electric Co. - Dayton, OH Witnesses: Unknown	Patent Dates: Applied: Mar. 05, 1920 Granted: Jul. 24, 1928 Reissue Information: Reissued as RE18,093 (Jun. 09, 1931) Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Master Electric Co.

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