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Invention Grant
US935941A Alternating-current dynamo-electric machine. 失效

  • Patent Title: Alternating-current dynamo-electric machine.
  • Application No.: US1908448275
    Application Date: 1908-08-13
  • Publication No.: US935941A
    Publication Date: 1909-10-05
  • Inventor: STEINMETZ CHARLES P
  • Applicant: GEN ELECTRIC
  • Assignee: Gen Electric
  • Current Assignee: Gen Electric
  • Priority: US1908448275 1908-08-13
Alternating-current dynamo-electric machine.
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