ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,988, issued on Feb. 24, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).
"Exit device assembly" was invented by Paul R. Arlinghaus (Fishers, Ind.), Jack R. Lehner (Indianapolis), Suraj Kumbhar (Karnataka, India), Chad Eagin (Carmel, Ind.) and Eric Hoiland (Carmel, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exit device assembly is provided in which the exterior trim can be locked and unlocked from an interior lock cylinder assembly on the interior side of the door and from an exterior lock cylinder assembly on an exterior side of the door. The interior lock cylinder assembly is located on a center case of the pushbar assembly, and the...