ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,428, issued on March 31, was assigned to Worxsafe AB (Ostersund, Sweden).
"Safety barrier" was invented by Par Johansson (Ostersund, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A safety barrier is provided. The barrier has a length, a width, and a height. The barrier has an end connection at an end of the safety barrier, which end connection is arranged to be connected with a corresponding end connection of another safety barrier. The end connection comprises a receiving space adapted to receive at least a portion of an end connection of another safety barrier, and to only enable connection and disconnection with the corresponding end con...