ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,657, issued on June 24, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).
"Door latch" was invented by Hassan C. Kumar (Bangalore, India), Nathanael S. Murphy (Colorado Springs, Colo.), Peter Malenkovic (Monument, Colo.), Allen Mani (Thrissur, India) and Madhu H. Siddaramaiah (Maddur, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A latch assembly that is adjustable between first and second backset settings. A cam is rotatable about a cam axis, and facilitates linear displacement of a latch link in a first direction. A multiplier link is rotatable about a multiplier link axis that is offset from the cam axis can be rotated in the first rota...