ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,021, issued on March 18, was assigned to ENPAR SEATING LLC (Clovis, N.M.).

"Theater chair" was invented by Yang Baoping (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A theater chair that is mountable on existing theater platforms that provides a tilting backrest, an extendable footrest, and an extendable headrest, each independently operated by a separate motor. The theater chair comprises a mountable base, a backrest, a headrest, a footrest, a seat cushion, and three motors. The three motors are controlled by a controller operated by the user to facilitate the tilting of the backrest, the extending of the footrest, and the extendi...