ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,867, issued on Dec. 30, was assigned to Energizer Auto Inc. (St. Louis).

"User-guided refrigerant recharge for vehicles" was invented by Tushar Kulkarni (Englewood, Ohio), Michael K. Sherman (Southbury, Conn.), Jacob Fahsbender (Danbury, Conn.), Christopher A. Bourne (Painesville, Ohio), Joanna Lynn Celestina (Westlake, Ohio) and Thanh Ngoc Tran (Meriden, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, a system for recharging a refrigeration system of a vehicle is provided. The system includes a refrigerant delivery device configured to removably couple to a recharge port of the refrigeration system. The refrigerant delivery devi...