ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,538, issued on Feb. 17.

"Seat assembly" was invented by Charalambos Savvidis (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "A seat assembly with a first seat row that includes a first seat row, and a second seat row including a second seat and located behind the first seat row so that the second seat is located behind the first seat. The first seat has a seating surface provided by a seat structure, and a backrest. The backrest has a vertical pivot axis and is pivotable about the pivot axis, and includes two vertical lateral edges, the horizontal connection of which defines a transverse direction and between which a central line of the backr...