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Invention Grant
US663609A Dynamo or motor. 失效
动力或电机。

  • Patent Title: Dynamo or motor.
  • Patent Title (中): 动力或电机。
  • Application No.: US1900027938
    Application Date: 1900-08-24
  • Publication No.: US663609A
    Publication Date: 1900-12-11
  • Inventor: MARTIN GEORGE L
  • Applicant: MARTIN GEORGE L
  • Assignee: George L Martin
  • Current Assignee: George L Martin
  • Priority: US1900027938 1900-08-24
Dynamo or motor.
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