US Patent Issued to Townsteel on July 14 for "Mortise lock resistant to blunt force attacks" (Colorado Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,339, issued on July 14, was assigned to Townsteel Inc. (City of Industry, Canada).

"Mortise lock resistant to blunt force attacks" was invented by Charles W Moon (Colorado Springs, Colo.) and Chad P. Moon (Colorado Springs, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mortise lockset for a sliding door or double door includes adaptations to make it more resistant to blunt-force attacks. The lockset includes retractable locking hooks, tabs or catches that extend above and below a bolt to securely lock the door. The mechanism, which uses no springs to bias the catches, cams the catches to varying positions as the bolt travels between its ret...