ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,567, issued on July 28, was assigned to Swift Paws Inc. (Melbourne, Fla.).
"Pulley system allowing for passage of object attached to line" was invented by Meghan Wolfgram (Malabar, Fla.) and John Ritter (Satellite Beach, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pulley system for enabling an object attached to a line to pass around a rotating pulley at least partially enclosed by a housing, without causing the object to encounter interference from the housing structure as the object passages through. An inward beveled edge of the housing structure may act to guide the line into the pulley groove. An object passthrough window for allowing...