ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,736, issued on April 22.

"Anti-theft sensor and alarm system thereof" was invented by Tse-Hsing Chen (New Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anti-theft sensor and an alarm system thereof are provided. The alarm system includes a plurality of anti-theft sensors and an alarm device, and the plurality of anti-theft sensors are electrically connected to bolts of a vehicle frame of a vehicle to form an electrical loop/circuit, so that the plurality of anti-theft sensors must be removed when the vehicle frame is moved. In this way, when the plurality of anti-theft sensors are removed, the plurality of anti-theft sensors are tr...