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US Patent: 1,121,065
Method of and apparatus for preventing sparking in dynamo-electric machines
Patentee: Barent J. Boicourt (exact or similar names) - Colorado Springs, CO USPTO Classifications: 310/224 Tool Categories: electrical devices Assignees: C. & C. Electric & Mfg. Co. - Unknown, NJ Manufacturer: Not known to have been produced Witnesses: Frank H. Dunniggton R. E. Johnson	Patent Dates: Applied: Jan. 27, 1911 Granted: Dec. 15, 1914 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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