ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,977, issued on Feb. 25, was assigned to POWER ON TOOLS Co. LTD (Xiamen, China).
"Flame retardant lamp" was invented by Xun Chen (Xiamen, China), Zhangxun Weng (Xiamen, China), Xia Li (Xiamen, China), Yvbing Zhu (Xiamen, China), Kongjing Lin (Xiamen, China) and William Joseph Tadda Jr. (Kenosha, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flame retardant lamp includes a lamp body, a printed circuit board (PCB), a power supply, a light-emitting plate, a controller, a driving circuit, and a first temperature sensor. The PCB, the power supply, and the light-emitting plate are disposed inside the lamp body, the controller and the driving circui...