ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,277, issued on Nov. 11, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).

"Door hardware noise reduction and evaluation" was invented by Aaron P. McKibben (Fishers, Ind.), Gregory Musselman (Indianapolis), Brian C. Eickhoff (Danville, Ind.), Benjamin L. Miller (Indianapolis), Paul R. Arlinghaus (Fishers, Ind.), Vijayakumar Mani (Bangalore, India) and Saagar Mohammed (Alappuzha, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An exemplary noise-reducing mechanism for door hardware includes a housing, a damper, and a stop. The door hardware includes a first component and a second component, and an operational movement of the door hardware caus...