ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,429, issued on Aug. 25, was assigned to Logitech Europe S.A. (Lausanne, Switzerland).
"Hubless scroll wheel" was invented by Leo Zeender (Lausanne, Switzerland), Jean-Claude Dunant (Fey, Switzerland) and Frederic Alexis Guillaume de Goumoens (Vaud, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hubless scroll wheel for a computer peripheral device may include a wheel defining an open interior. An inner surface of the wheel may include a plurality of gear teeth. A plurality of gears may be disposed within the open interior of the wheel and engaged with at least some of the plurality of gear teeth. The scroll wheel may include at least o...