ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,973, issued on Feb. 24, was assigned to dormakaba USA Inc (Indianapolis).

"Plug for lock system and associated method of assembly" was invented by Michael Viklund (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "The lock plug can have a plug body rotatably mountable within a lock housing for rotation around an axis, the plug body having a solid of revolution shape, the plug body having an insert component assembled to a primary component, a keyway defined in the plug body, the keyway having a length parallel to the rotation axis, the keyway adapted to receive a key blade matching a cross-sectional shape of the keyway, and a blocking mech...