ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,689, issued on March 31.
"Glare-adjustable lighting tool" was invented by Xianwen Xiong (Hangzhou City, China), Jianan Tong (Hangzhou City, China) and Luo Zhao (Hangzhou City, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a lighting tool, comprising a light source, a light-transmitting member, a mounting housing, and an adjusting member; the mounting housing includes an anti-glare portion, and the anti-glare portion surrounds the periphery of the light-transmitting member; the adjusting member is connected to the mounting housing and the light-transmitting member, respectively, and adjusts the glare value o...