ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,913, issued on Dec. 30, was assigned to IMPERIUM ELECTRONICS LLC (Portland, Ore.).

"Deadbolt control and security systems" was invented by Ron A. Peters (Tigard, Ore.), Quentin Theodore Pierce (Forest Grove, Ore.), Kim Alan Foster (Oregon City, Ore.) and Jason Plankers (Milwaukie, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A deadbolt control and security system for preventing rotation of a deadbolt manual egress handle of a deadbolt lock is described herein. The system preferably includes a deadbolt interface unit and at least one actuator unit. The deadbolt interface unit has a manual mode (the deadbolt interface unit manual egress handle ...