Patents by Inventor Robert V. Halboth

Robert V. Halboth 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).

  • Inboard powered watercraft
    Patent number: 4141309
    Abstract: A pontoon, catamaran-type watercraft is generally complete lacking only an engine. The watercraft is rigged with a universally adjustable mount for an engine. To effect conversion, it is contemplated that a snowmobile engine with appurtenant variable sheave centrifugal pulley will be mounted in proper alignment and at a desired distance from a variable sheave centrifugal pulley provided on the watercraft ab initio.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: February 27, 1979
    Inventor: Robert V. Halboth