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Invention Grant
US900367A Switch mechanism and train-carried actuating means therefor. 失效
开关机构和火车运行机构。

  • Patent Title: Switch mechanism and train-carried actuating means therefor.
  • Patent Title (中): 开关机构和火车运行机构。
  • Application No.: US1907401755
    Application Date: 1907-11-11
  • Publication No.: US900367A
    Publication Date: 1908-10-06
  • Inventor: HAAS EDWARD
  • Applicant: HAAS EDWARD
  • Assignee: Edward Haas
  • Current Assignee: Edward Haas
  • Priority: US1907401755 1907-11-11
Switch mechanism and train-carried actuating means therefor.
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