ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,503, issued on March 17, was assigned to Tau Motors Inc. (Redwood City, Calif.).

"Power distribution within an electric machine with rectified rotor windings" was invented by Walter Wesley Pennington III (Menlo Park, Calif.), Matthew J. Rubin (Indianapolis), Gregory Gordon Stevenson (San Carlos, Calif.), Michael Parker Owen (St. Augustine, Fla.), Ethan Bagget Swint (Redwood City, Calif.) and Matthias Preindl (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine includes a stator defining multiple stator poles with associated stator windings configured to receive a stator current. The electric machine also includes a rotor def...