ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,723, issued on July 28, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).

"Status-indicating lock assembly" was invented by Subbiah Gopalakrishnan (Trivandrum, India), Kevin E. David (Monument, Colo.), Kenton H. Barker (Colorado Springs, Colo.), Shell Bieker (Colorado Springs, Colo.), Daniel J. Compton (Colorado Springs, Colo.), Brandon Robinson (Colorado Springs, Colo.), Snehill Solanki (Colorado Springs, Colo.), Greg Hebner (Colorado Springs, Colo.), Bill Massey (Yoder, Colo.) and Samir Tamer (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary status-indicating locking assembly includes a cylindrical lock assembly and ...