ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,438, issued on Oct. 14, was assigned to ROSEN Swiss AG (Stans, Switzerland).
"Water sport device" was invented by Hermann Rosen (Kastanienbaum, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water sports apparatus is provided, and includes a propulsion device which is provided for the propulsion of the water sports apparatus and whose motor, arranged on the float-body side, is connected in terms of drive to at least one propulsion element via an angularly and/or longitudinally movable propulsion train. The angularly and/or longitudinally movable propulsion train allows the propulsion element to be positioned optimally on the body-of-wa...