Patents by Inventor William Kahlstorf

William Kahlstorf 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: 6511088
    Abstract: The present invention concerns that of a new and improved apparatus which enables mounting of heavy duty equipment to existing trailer hitch hardware currently found on my pickups, vans, SUV's, recreational vehicles, and automobiles. The type of heavy duty equipment that could be attached to the apparatus of the present invention would include a heavy duty table, a work station, a vise, a spool and/or a winch, and a level working surface.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: January 28, 2003
    Inventor: William Kahlstorf
  • Publication number: 20020008364
    Abstract: The present invention concerns that of a new and improved apparatus which enables mounting of heavy duty equipment to existing trailer hitch hardware currently found on my pickups, vans, SUV's, recreational vehicles, and automobiles. The type of heavy duty equipment that could be attached to the apparatus of the present invention would include a heavy duty table, a work station, a vise, a spool and/or a winch, and a level working surface.
    Type: Application
    Filed: July 20, 2001
    Publication date: January 24, 2002
    Inventor: William Kahlstorf