Invention Grant
US811852A Method of ascertaining the compass direction of moving objects. 失效
计算移动物体的指导方向的方法。

  • Patent Title: Method of ascertaining the compass direction of moving objects.
  • Patent Title (中): 计算移动物体的指导方向的方法。
  • Application No.: US1901139226
    Application Date: 1901-05-18
  • Publication No.: US811852A
    Publication Date: 1906-02-06
  • Inventor: KITSEE ISIDOR
  • Applicant: KITSEE ISIDOR
  • Assignee: Isidor Kitsee
  • Current Assignee: Isidor Kitsee
  • Priority: US1901139226 1901-05-18
Method of ascertaining the compass direction of moving objects.
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