ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,868, issued on Dec. 2, was assigned to Roller Bearing Co. of America Inc. (Oxford, Conn.).

"Wear resistant bearing system" was invented by Michael Decker (Torrance, Calif.), Frank Adams (Irvine, Calif.), Carl Hartman (Irvine, Calif.), Jack Kuzminsky (Mission Viejo, Calif.) and Ryan Meeks (Huntington Beach, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wear resistant bearing system includes an inner member that has an internal core and a bearing surface which has a 50 Rockwell C scale hardness or greater. The inner member has a chemical composition that is uniform throughout the internal core and the bearings surface. The wear resistant bear...