ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,684, issued on July 14, was assigned to Xiamen Topstar Lighting Co. Ltd. (Xiamen, China) and Savant Technologies LLC (Cleveland).

"LED lamp with lamp holder and having adjustable lighting function" was invented by Yongjie Wu (Xiamen, China), Wenda Wen (Xiamen, China), Naijun Yang (Xiamen, China) and Kun Xiao (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an LED lamp with a lamp holder and having an adjustable lighting function. The lamp holder is formed with a screwing thread; a dip switch is provided in the lamp holder; an avoidance slot is provided in a top of the lamp holder; and the drive board is electrically connected to...