ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,939, issued on Sept. 15, was assigned to Blind Screen Ltd (Great Britain).

"Single-unit double-track blind system with fly net and blind" was invented by Lenny Reynolds (Derby, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A single-unit double-track blind system comprises two tracks, one for a fly net (28) and the other for a blind (27), combined in a single unit. The tracks may be oriented so that one of the fly net (28) and the blind (27) opens horizontally and the other opens vertically. The unit comprises four corner pieces (1A, 1B, 3A, 3B) connected by four linear pieces (10A, 10B, 13, 18). The linear pieces may have a stepped p...