ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,690, issued on July 14.
"Light-emitting drawing board" was invented by Li Zhang (Hunan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a light-emitting drawing board, comprising: a drawing board body, a base, a light source assembly, and a limiting part; the bottom of the drawing board body is provided with a connecting part, which is provided with a mounting hole; the base comprises a front cover plate provided with a second connecting post and a rear cover plate provided with a first connecting post, the first connecting post has a central hole, and the outer diameter of the second connecting post is not gre...