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US Patent: 642,743
Commutator for Electric Motors or Generators
Patentee: Sydney Evershed (exact or similar names) - London, England USPTO Classifications: 310/219 Tool Categories: electrical devices : electric motors : motor commutators Assignees: Sydney Evershed - London, England Evershed & Vignoles, Ltd. - London, England Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 15, 1899 Granted: Feb. 06, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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