ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,602, issued on Jan. 20, was assigned to Wenzhou Jiayi Instruments Co. Ltd (Zhejiang, China).

"Color matching observation box for LED standard light source" was invented by Binhui Qiu (Zhejiang, China), Zhiyong Gao (Zhejiang, China), Guolin Lei (Zhejiang, China), Daping Deng (Zhejiang, China), Yubao Li (Zhejiang, China) and Jiayi Qiu (Zhejiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A color matching observation box for an LED standard light source comprises a box body, wherein an opening is formed in one side of the box body, an observation chamber is formed by the internal space of the box body, and a standard light source is disposed ...