ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,928, issued on April 29, was assigned to SILITEK ELECTRONICS (DONGGUAN) Co. LTD (Dongguan, China).

"Roller linkage mechanism and computer peripheral using the same" was invented by Jun Wang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A roller linkage mechanism and a computer peripheral using the same are provided. The roller linkage mechanism includes a bottom casing, a rotatable member, a control circuit, a connecting rod and a linkage button. The bottom casing has a bottom side. The rotatable member is rotatably arranged on the bottom side through a bracket and includes a damping element. The control circuit is disposed on the b...