ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,617, issued on March 24, was assigned to The Boeing Co. (Arlington, Va.).

"Systems and methods for providing alerts regarding engagement of an emergency exit door of an aircraft" was invented by Lohit Vijapur (Karnataka, India), Amar Patel (Karnataka, India), Preethi Ashok Mikkal (Karnataka, India) and Sharanraj Shetty Karyahalla Santhosh (Karnataka, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aircraft includes a system including an emergency exit door within the internal cabin. The emergency exit door includes a lever configured to be engaged to open the emergency exit door. A first cover is removably secured to the emergency exit door...