ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,452, issued on Oct. 14, was assigned to Textron Innovations Inc. (Providence, R.I.).

"Turbulent airflow deflector for rotorcraft sliding door" was invented by Jeremie Desrosiers (Laval, Canada), Victor Laurin-Legault (Saint-Colomban, Canada), Gino Drouin (Morin-Heights, Canada) and Karl Burge (Hurst, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "One embodiment is an aircraft including a fuselage; a bubble window provided on a side of the fuselage; a door configured to provide ingress into and egress from an interior of the fuselage through an opening in the side of the fuselage aft of the bubble window; a seal between an edge or surface of th...