ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,256, issued on April 15, was assigned to Owitra Tech Co. Ltd. (Denver).
"Rodent trap and method of using it" was invented by Hongguang Chen (Ningbo, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rodent trap including a cage having a top portion and a bottom portion. The top portion and the bottom portion forms a chamber; an entrance adjacent to one end of the cage, the entrance located on a side wall of the bottom portion; discharge plates positioned within the chamber, the discharge plates coupled to a power supply; a passive infrared sensor located adjacent to the entrance, the passive infrared sensor configured to detect a motion within t...