ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,327, issued on July 21.

"Systems and methods for optimizing vehicle battery usage while operating welcome lights" was invented by Stuart C. Salter (White Lake, Mich.), John Budaj (West Bloomfield, Mich.), Timothy Thivierge Jr. (Carleton, Mich.), Joshua Talaga (Farmington, Mich.), John Robert Van Wiemeersch (Novi, Mich.) and Terry R. Lobsinger (Farmington Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle including a sensor unit, a plurality of exterior lights, a battery and a processor is disclosed. The sensor unit may detect a presence and a movement of a portable device in proximity to the vehicle. The processor may identify one...