US Patent Issued to Nantong Yilong Machinery Manufacturing on Feb. 11 for "Portable scope magnification quick-adjustment device" (Chinese Inventor)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,190, issued on Feb. 11, was assigned to Nantong Yilong Machinery Manufacturing Co. Ltd. (Nantong, China).

"Portable scope magnification quick-adjustment device" was invented by Siyuan Wen (Tongzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable scope magnification quick-adjustment device comprises a main body and a motor seat, wherein the main body is mounted on a gun, the motor seat is mounted on a magnification rotating ring of a scope by means of a connecting piece, a circuit mainboard and a battery electrically connected to the circuit mainboard are arranged in the main body, a button is arranged on the circuit mainboard and lo...