ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,313, issued on July 14, was assigned to STOP KNOB LLC (Newport Beach, Calif.).

"Stop knob for vehicle air brake" was invented by Michael DeAngelo Jr. (Newport Beach, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A locking knob for an air brake valve may include a push rod and a locking ring. The push rod may include a knob head at a first end of the push rod, first thread along an exterior surface of the push rod, and a cavity within the push rod exposed at a second end of the push rod opposite of the first end, the cavity configured to house an actuating arm of the valve that is held fixed to the push rod. The locking ring may include a cha...