ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,563, issued on Sept. 8, was assigned to REAL LOCKS & SECURITY Co. LTD. (New Taipei City, Taiwan).
"Anti-detection combination lock" was invented by Hsi-Hao Ho (New Taipei City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A combination lock is disclosed. A lock seat includes a base and a lock core, and numeral wheels are arranged spacedly on the base. Each numeral wheel includes a lower gear and an upper gear, and part of each lower gear protrudes from the base. An anti-detection piece includes a main rod and branch rods. Each branch rod is located on one side of each upper gear. A panel covers the base, and numeral holes and an opening are...