ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,459, issued on July 15.
"Bollard fence" was invented by Jeong Eun Jang (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bollard fence that can be installed around a rack, the bollard fence includes: two ground fixing members; two vertical poles of which lower ends are installed in the open holes; L-connecting members having two perpendiculars coupling portions and having a fastening slope between the two coupling portions; a horizontal frame coupled between the L-connecting members; two-stage connectors having a vertical extension coupling groove; two sub-extension frames vertically coupled using the vertical extension coupling g...