US Patent Issued to Taiwan Fu Hsing Industrial on Oct. 14 for "Lock core device based on matching multiple key cross-sectional shapes, its ball slot configuration method, and its corresponding locking key" (Taiwanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,215, issued on Oct. 14, was assigned to Taiwan Fu Hsing Industrial Co. Ltd. (Kaohsiung, Taiwan).

"Lock core device based on matching multiple key cross-sectional shapes, its ball slot configuration method, and its corresponding locking key" was invented by Chao-Ming Huang (Kaohsiung, Taiwan) and Chi-Ming Chen (Kaohsiung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A lock core device based on matching the cross-sectional shape of a multiple key and a corresponding lock key, the lock contains a keyway, and the outer contour of the keyway is configured as a first section contour and a second section contour after superimposition, and its' a u...