ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,543,887, issued on Feb. 10, was assigned to Guangdong Willing Technology Corp. (Huizhou, China).
"Modular food warming pad" was invented by Jingnong Ye (Guangdong, China), Shifa Luo (Guangdong, China), Hong Liu (Guangdong, China) and Kunhuan Feng (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A modular food warming pad includes a first heating pad and a plurality of second heating pads. The first heating pad includes a first support panel, a controller and a first connector electrically connected to each other. Each second heating pad includes a second supporting panel, a second connector, and a third connector electrically connected t...