Patents by Inventor James W. Walstead

James W. Walstead 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).

  • Suspension system for treadmill with resilient surface
    Patent number: 5330401
    Abstract: A treadmill with a trampoline-like surface having an endless belt adapted to travel between two guide rails. The treadmill includes an improved suspension system formed from a flexible wire cable that connects two adjacent reinforced openings formed near the lateral edges of the belt to a carrier that moves on the guide rails of the treadmill.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: July 19, 1994
    Assignee: Orbiter Royalty Trust
    Inventor: James W. Walstead