ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,302, issued on Nov. 3.
"Chair" was invented by Amir Fatkullin (Ufa, Russia).
According to the abstract* released by the U.S. Patent & Trademark Office: "An office chair comprises a seat, a seatback, and a chair base with a central support on which a rocking mechanism comprising a supporting base is installed. A seatback frame comprises a transverse curved plate to which a preferably elastic vertical plate is attached by means of a pivotal connection in such a way that an axis of the pivotal connection is at about the middle of the seatback height. On its other end, the vertical plate is connected to a seatback base which in turn is connected to the supporting base. The seat is fix...