ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,880, issued on Dec. 23, was assigned to WORXSAFE AB (Ostersund, Sweden).
"Heavy-duty barrier" was invented by Olov Viberg (Ostersund, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A heavy-duty barrier, which is movable, comprising a base part, which comprises a ballast, and a fence part attached to the base part. The fence part comprises a fixed bar structure and a rigid connection element, which is movably attached to the bar structure, and which is connectable with a complementary connection element of a neighboring heavy-duty barrier. The connection element comprises an attachment portion movably attached to a bar portion of the bar struc...