ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,684, issued on June 24, was assigned to Airbus Operations GmbH (Hamburg, Germany).

"Flight attendant calling device, system and method for configuring a flight attendant calling device" was invented by Michael Netzler (Hamburg, Germany) and Michael Ludtke (Hamburg, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flight attendant calling device of a passenger aircraft includes at least one calling device control element assigned to a seat of the passenger aircraft for calling flight attendant staff on board the passenger aircraft by a passenger assigned to the seat, a calling device processor configured to create a configuration profile of t...