Patents by Inventor Adelheid Kowol

Adelheid Kowol 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).

  • Twin or forked boom for a sailing surfboard
    Patent number: 4523537
    Abstract: The slack portion or sag of the trapezoidal member fixed by both its ends to at least one of the two twin boom tubes is variable by sleeves engaging the two slack portion end areas, embracing the twin boom tube and which are displaceable in the longitudinal direction. One end of the trapezoidal member is held in a wedge clip, so that for improving the trimming of the trapezoidal member, its engagement points are displaceable on the twin boom tube.
    Type: Grant
    Filed: January 28, 1983
    Date of Patent: June 18, 1985
    Inventor: Adelheid Kowol