ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,236, issued on Dec. 23, was assigned to Safran Seats USA LLC (Gainesville, Texas).
"Concentric armrest pivot" was invented by Reza Mansouri (Santa Fe Springs, Calif.) and Amen Omoragbon (Westminster, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An armrest pivot assembly may be provided for a passenger seat. An armrest pivot assembly includes an armrest support defining an aperture having an aperture wall. The aperture wall includes a first pivot-limiting feature. The armrest pivot assembly also includes an armrest pivot within the aperture of the armrest support and rotatable within the aperture relative to the armrest support. The armrest ...