ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,390, issued on Sept. 1.

"Height-adjustable supporting structure used for artificial green plant and combined container of height-adjustable supporting structure" was invented by Teng Long (Guangshui, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A height-adjustable supporting structure used for an artificial green plant and a combined container of the height-adjustable supporting structure are provided, and relate to the technical field of artificial green plants. The height-adjustable supporting structure used for an artificial green plant and the combined container of the height-adjustable supporting structure include an artificial green pl...