ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,336, issued on May 6, was assigned to UNITED AIRLINES INC. (Chicago).

"Passenger seating arrangement having access for disabled passengers" was invented by Richard Peter John Nicholas (London), Ian Hamilton Dryburgh (London) and John David Henry McKeever (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passenger seating arrangement includes at least one seat unit configurable into a disabled-access configuration in which an access opening is temporarily widened to enable a disabled passenger to access the seat unit. The seat unit is arranged with other seat units in a column, and each seat unit is configurable between a seating configuration...