ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,260, issued on Jan. 20, was assigned to Guangzhou Sair Industrial Co. Ltd (Guangzhou, China).
"Side-open safety door railing" was invented by Jiye Guo (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a side-open safety door railing and, during installation, two positioning mechanisms are first fixed opposite to each other at an interval in the installation position and, according to the distance between the two positioning mechanisms, one of the two door bodies is adjusted to move horizontally relative to the other, thereby increasing or decreasing the length, so that each side of the two door bodies c...