ALEXANDRIA, Va., Oct. 8 -- United States Patent no. D1,096,941, issued on Oct. 7, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Escalator smart traffic flow lighting device" was invented by Lilong Shi (Guangdong, China), Qingxi Cai (Hangzhou, China), Shunqiang Zhou (Guangdong, China), Sihua Ling (Guangdong, China) and Denghui Zhang (Guangdong, China).
The patent was filed on June 5, 2024, under Application No. D/945,834.
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