Patents by Inventor James V. Hoffman

James V. Hoffman 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: 5385355
    Abstract: A travois assembly, comprises a load-carrying frame having a lower end and an upper end. A single wheel is rotatably mounted on said lower end of said load carrying frame. A user harness includes a single vertical frame member attached to a horizontal frame member at a lower end thereof, a back pad attached to the vertical frame member at an upper end thereof, a belt circumferentially attached to the horizontal frame member, a pair of shoulder straps each having a first end attached to the back pad and a second end attached to the horizontal frame member. The load carrying frame is attached to the user harness by a universal joint having a first end rigidly attached to the upper end of the load carrying frame and a second end attached to the vertical frame member of the user harness.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: January 31, 1995
    Assignee: James V. Hoffman
    Inventor: James V. Hoffman