ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,987, issued on Dec. 30, was assigned to Volvo Truck Corp. (Gothenburg, Sweden).

"System and method for providing information relative to a connection between a vehicle and at least one trailer" was invented by Chidambaram Subramanian (Durham, N.C.) and Gabriel Einstoss (Whitsett, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for providing information relative to a connection between a vehicle and at least one trailer. The system comprises a power line communication configured to communicate raw signals on at least one electric power conductor between the or each trailer and the vehicle, the system further comprising a user ...