ALEXANDRIA, Va., April 7 -- United States Patent no. 12,593,922, issued on April 7.
"Seat armrest" was invented by Wen-Ping Hsieh (Taichung City, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A seat armrest is provided. The seat armrest includes a support unit, having a fixed seat and a support rod extending upward from the fixed seat; wherein the support rod has an accommodation space, and the support pole is provided with a positioning slot section composed of a vertical displacement slot and a plurality of horizontal displacement slots communicated with each other; a casing unit, sleeved around the support rod and having an installation groove communicated with the accommodation space; and an adju...