ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,555, issued on Nov. 25, was assigned to United States Automobile Association (USAA) (San Antonio).

"Mutual authentication system" was invented by Casey Roberto Rinehart (San Antonio), Justin Royell Nash (Little Elm, Texas), Navaid Hussain (Dallas), Soon Fatt Hoo (Tahlequah, Okla.), Subhalakshmi Selvam (Allen, Texas) and Steven Michael Anzaldua (Goliad, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Mutual authentication and CSR verification techniques are described in this patent document. When a first person calls a second person, neither of them know that the other person is who he or she says he or she is. After a second person receives the...