ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,507,690, issued on Dec. 30, was assigned to AB LUDVIG SVENSSON (Kinna, Sweden).

"Insect net guiding system" was invented by Stefan Almstrom (Kinnarumma, Sweden) and Louise Holgersson (Ojersjo, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a netting support system adapted to span an adjustable ventilation opening, wherein the netting support system includes an insect netting to prevent passage of insects through the adjustable ventilation opening. The insect netting is pleated in an accordion-style configuration to collapse in a stacked manner when the adjustable ventilation opening is closing and to expand when the adjustable ventil...