ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,959, issued on July 29, was assigned to AAMP of Florida Inc. (Clearwater, Fla.).

"Aftermarket head unit interface and protocol converter cartridge" was invented by Nathaniel Lee Wincek (New Port Richey, Fla.) and Michael Lake (Seminole, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aftermarket vehicle head unit integration cartridge for use with an aftermarket head unit is provided. The aftermarket head unit preferably includes a dedicated slot for insertion of the cartridge. The cartridge preferably supports communication between a plurality of electronic components in the aftermarket head unit and a plurality of electronic components in t...