ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,012, issued on June 30, was assigned to Nien Made Enterprise Co. Ltd. (Taichung City, Taiwan).

"Window blind" was invented by Shui-Dong Wei (Taichung City, Taiwan), Lei Luo (Taichung City, Taiwan) and Lin Chen (Taichung City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A window blind, wherein each ladder tape thereof includes two longitudinal cords, plural bearers and plural limiting members. The longitudinal cords each have an end connected to a deflecting mechanism disposed on the upper rail. The bearers are disposed between the two longitudinal cords for respectively supporting the slats. The limiting members include a first limiting me...