ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,650, issued on April 29, was assigned to Stryd Inc. (Boulder, Colo.).

"Methods and apparatus for power expenditure and technique determination during bipedal motion" was invented by Wyatt Mohrman (Boulder, Colo.), Kun Li (Boulder, Colo.), Gus Pernetz (Louisville, Colo.), James Williamson (Broomfield, Colo.), Li Shang (Boulder, Colo.) and Robert P. Dick (Chelsea, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Training at the proper level of effort is important for athletes whose objective is to achieve the best results in the least time. In running, for example, pace is often monitored. However, pace alone does not reveal specific issues with re...