Invention Grant
US1244857A Lever-locking mechanism. 失效
杠杆机制。

  • Patent Title: Lever-locking mechanism.
  • Patent Title (中): 杠杆机制。
  • Application No.: US13388316
    Application Date: 1916-11-28
  • Publication No.: US1244857A
    Publication Date: 1917-10-30
  • Inventor: JENSEN GEORGE C
  • Applicant: JENSEN GEORGE C
  • Assignee: George C Jensen
  • Current Assignee: George C Jensen
  • Priority: US13388316 1916-11-28
Lever-locking mechanism.
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