Patents by Inventor Dan Heiduk

Dan Heiduk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rope ladder
    Patent number: 8127892
    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.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: March 6, 2012
    Inventor: Dan Heiduk
  • Rope Ladder
    Publication number: 20080289904
    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.
    Type: Application
    Filed: May 21, 2007
    Publication date: November 27, 2008
    Inventor: Dan Heiduk