ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,728,951, issued on Sept. 8, was assigned to CLASSIFIED CYCLING B.V. (Antwerp, Belgium).
"Transmission system for a vehicle, preferably a bicycle" was invented by Roell Marie Van Druten (Eindhoven, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a transmission system for a vehicle, particularly for a bicycle. The system comprises an input and an output, and a first transmission and a second transmission between the input and the output, wherein the first transmission and the second transmission are connected in series. The first transmission is selectively operable according to a first transmission ratio or a second transmission r...