ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,577, issued on June 17, was assigned to THE CHAMBERLAIN GROUP LLC (Oak Brook, Ill.).
"Movable barrier operator" was invented by Brian Phillip Mastros (Carol Stream, Ill.), David R. Morris (Glenview, Ill.), Brian Roy Skotty (Elmhurst, Ill.) and Zoltan Sostarecz (Melrose Park, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In accordance with one aspect of the present disclosure, a movable barrier operator including a body, a motor supported by the body, and a rotatable drive supported by the body and configured to be connected to an elongated driven member. The movable barrier operator further includes a shaft supported by the body and a compound...