ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,222, issued on Sept. 15, was assigned to NINGBO SIGNATRONIC TECHNOLOGIES LTD. (Ningbo, China).

"Hand-held labeling machine for acousto-magnetic (AM) anti-theft labels, and am anti-theft label roll" was invented by Caofei Liu (Ningbo, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a hand-held labeling machine for acousto-magnetic (AM) anti-theft labels, and an AM antitheft label roll. The hand-held labeling machine includes a shell, a label feeding mechanism, a labeling mechanism, a take-up mechanism, and a limit and detection assembly, wherein the label feeding mechanism is configured to convey AM anti-theft la...