ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,997, issued on Aug. 11, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).
"Lockset status indicator" was invented by Mark A. Ross (Denver) and Zachary P. Boomer (Indianapolis).
According to the abstract* released by the U.S. Patent & Trademark Office: "A thumb turn assembly that is configured to provide an illuminated visual indication of an orientation of a thumb turn, and thus an illuminated indication of an active status relating lockset relating to an associated bolt being in a locked or unlocked position. The thumb turn assembly can include an optical system that can be coupled to the thumb turn body. At least a portion of the optical system can be displaced with the disp...