ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,440, issued on Nov. 11, was assigned to GM Cruise Holdings LLC (San Francisco).

"Autonomous vehicle hailing and pickup location refinement through use of an identifier" was invented by David Kaufman (San Francisco) and Keyur Patel (Livermore, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Technologies relating to an autonomous vehicle are described. The autonomous vehicle is configured to determine that a person is attempting to hail the autonomous vehicle through use of a passenger identifier. The autonomous vehicle identifies a passenger account associated with the passenger identifier being presented by the person, and responsive to identi...