Invention Grant
US08127892B2 Rope ladder 失效
绳梯

  • Patent Title: Rope ladder
  • Patent Title (中): 绳梯
  • Application No.: US11751620
    Application Date: 2007-05-21
  • Publication No.: US08127892B2
    Publication Date: 2012-03-06
  • Inventor: Dan Heiduk
  • Applicant: Dan Heiduk
  • Main IPC: E06C1/52
  • IPC: E06C1/52
Rope ladder
Abstract:
The present invention relates to a method and apparatus for providing a flexible ladder for traversing a structure that addresses problems common with conventional rope ladders.
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