ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,416, issued on June 30, was assigned to The United States of America as Represented by the Secretary of the Army (Washington).

"Vehicle trailer or shipping container monitoring and evacuation assembly" was invented by Brian J. O'Donnell Jr. (Bel Air, Md.), Jeffrey M. Kiley (Reisterstown, Md.), Amy L. Dean (Havre de Grace, Md.), Michael C. Glorioso (Pasadena, Md.), Michael Richter (Lake George, N.Y.) and Donnie Lester (Joplin, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle or shipping-container monitoring system is provided. The system is used to sample the interior environment of the container and if needed, clear a potentially hazardo...