ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,355, issued on July 7, was assigned to Qualitas Manufacturing Inc. (Itasca, Ill.).
"Rolling shutter lock bar slat" was invented by Craig N. Zarbeck (Stevensville, Mich.), Tyler Hinckley (Elk Grove Village, Ill.), Tyler Czerwinski (Aurora, Ill.) and Robert E. Dutka (Naperville, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A locking system for a rolling shutter comprises a housing, a body, and a lock bar. The housing has a longitudinal housing channel. The body has a body channel, and is positioned in and moveable transversely within the housing channel. The lock bar is positioned within the body channel, and is moveable longitudinally to the bo...