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Invention Grant
US996475A Brush for dynamo-electric machines. 失效

  • Patent Title: Brush for dynamo-electric machines.
  • Application No.: US1909517195
    Application Date: 1909-09-11
  • Publication No.: US996475A
    Publication Date: 1911-06-27
  • Inventor: FISH WALTER C
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1909517195 1909-09-11
Brush for dynamo-electric machines.
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