Patents by Inventor Ray Hollenstein

Ray Hollenstein 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).

  • Sailing craft
    Patent number: 6135042
    Abstract: A sailing craft that includes an elongated central tubular frame structure, a left outrigger assembly attached to the forward left side of the central tubular frame structure, a right outrigger assembly attached to the forward right side of the central tubular frame structure, a rudder steering assembly pivotally mounted to the rear center of the tubular frame structure, a left sail supported by the left outrigger assembly, a right sail supported by the right outrigger assembly, and a seat assembly secured to the rearward end of the central tubular frame structure.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: October 24, 2000
    Inventor: Ray Hollenstein