ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,683, issued on June 24, was assigned to Defender Screens International LLC (Sarasota, Fla.).

"Self-tensioning magnetic tracks and track assemblies" was invented by Arthur James (Sarasota, Fla.) and Jan Gross (Sarasota, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic track assembly including an elongate channel having an open side, an end wall, and two parallel side walls; a first magnet disposed within the elongate channel near an interior side of the end wall; a compartment defined within the elongate channel spaced from the first magnet; and a screen receiver disposed within the compartment and including a second magnet arranged fac...