Patents by Inventor Karl F. Burgstahler

Karl F. Burgstahler 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).

  • Patent number: 5664713
    Abstract: An elastic band which can be removably attached around a person has two straps attached which am located at the person's sides so that the upper portions of under-arm crutches can be secured by the straps to hold the crutches from falling away while allowing free movement of the person's arms and torso.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: September 9, 1997
    Inventor: Karl F. Burgstahler