ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,900, issued on Dec. 9, was assigned to United Services Automobile Association (USAA) (San Antonio).

"Impaired driver warning and avoidance system" was invented by Eric David Schroeder (San Antonio), Donnette L Moncrief Brown (San Antonio), Snehal Desai (Richardson, Texas), Manfred Amann (San Antonio), Timothy Frank Davison (San Antonio), Rachel Michelle Ballew (San Antonio), Kelsey Anne O'Brien (Austin, Texas) and Sayeef Rahim (Allen, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for detecting and responding to impaired drivers are disclosed. The methods intelligently alert and route a user driver's vehicle to improve drivi...