ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,234, issued on Oct. 14, was assigned to AIRBUS HELICOPTERS DEUTSCHLAND GMBH (Donauworth, Germany).

"Aircraft door with an adjustment system for adjusting the position of the door leaf relative to the door frame" was invented by Stefan Becker (Donauworth, Germany), Thomas Tendyra (Schwenningen, Germany), Christoph Merkel (Sontheim an der Brenz, Germany) and Christian Ferber (Roegling, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft door including a door leaf, a door frame, a support arm assembly, and first and second connecting elements. The first connecting element connects the support arm assembly with the door leaf and includes ...