ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,149, issued on Sept. 30, was assigned to Roxtec AB (Karlskrona, Sweden).
"Round seal" was invented by Andreas Karlsson (Karlskrona, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A round seal (1) is provided comprising a cylindrical, compressible body (2), having a rectangular through opening (7). The round seal has fittings (3, 4) at opposite ends of the body (2) and a number of screws (5) going through holes of the body (2) and the fittings (3, 4). Nuts (6) are received on the screws (5). An axial length of the body 5 (2) is larger at the area of the corners of the through opening (7) than at the rest of the body (2)."
The patent was file...