ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,369, issued on Oct. 28.
"Early signal change illumination system for traffic lights" was invented by Kevin Anthony Brown (Phoenix).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method, a system and a computer program product provide an advance signal change notification for a traffic light system. A light change indicator (LCI) utility/module provides imminent light change warning signals to enable drivers and pedestrians to make decisions that can enhance traffic safety. The LCI module turns on a yellow traffic light to provide a light change warning via simultaneous illumination of a green traffic light and the yellow traffic light prior to expi...