US Patent Issued to Schlage Lock on Oct. 27 for "Handle retention" (Colorado Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,615, issued on Oct. 27, was assigned to Schlage Lock Co. LLC (Carmel, Ind.).

"Handle retention" was invented by Drake Lunday (Colorado Springs, Colo.), Adam M. Litwinski (Centennial, Colo.), David J. Hurlbert (Manitou Springs, Colo.), Zachary Wiggins (Colorado Springs, Colo.) and Marshall Owens (Colorado Springs, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A handleset includes a housing, a spindle sleeve, a handle, a coupler, and a spindle. The spindle sleeve includes an aperture, and is rotatably mounted to the housing. The handle is mounted to the spindle sleeve and includes a recess aligned with the aperture. The coupler is movably mount...