ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,662, issued on July 14, was assigned to LIFECORE FITNESS LLC (Wilmington, Del.).

"Exercise treadmill" was invented by Roger Bates (Carlsbad, Calif.), Marko Vujicic (Huntington Beach, Calif.), Gregory Allen Wallace (Mission Viejo, Calif.) and Mark William Chiles (Yorba Linda, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A treadmill has a front or rear set of pulleys and a looped running belt. The pulleys rotate with the movement of the belt, e.g., when a user walks, jogs, or runs on the treadmill. The pulleys are mounted on a rotating roller tube so that the roller tube rotates with the pulleys. The roller tube is mounted on a stationary sha...