ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,911, issued on Sept. 9, was assigned to AD-II ENGINEERING INC. (Taichung, Taiwan).
"Bicycle operating device" was invented by Chung-Ren Chang (Taichung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bicycle operating device includes a housing, a derailleur structure, a brake lever, a first operation assembly and a second operation assembly. The derailleur structure is disposed on the housing and includes a wire reel and a mandrel. The brake lever is rotatably disposed on the housing. The first operating assembly is disposed on the housing and is reversibly rotatable relative to the housing to drive the wire reel to rotate and pull a shift...