ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,516, issued on Feb. 4.
"Curtain assembly and assembling method thereof" was invented by Guangtian Wang (Hacienda Heights, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A curtain assembly includes a curtain fabric, a upper supporting shaft, a lower supporting shaft, and a connecting cord. The connecting cord sequentially extends from a third supporting end portion along a corresponding side edge portion of the curtain fabric and repetitively pass through a first coupling hole of the upper supporting shaft to form a handle loop. The connecting cord passing through the first coupling hole further extends along a top edge portion of the curtain f...