ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,845, issued on July 8, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus for census and panel matching using HTTP headers" was invented by Cary Pillers (Dallas) and Suraj Jagga (Oldsmar, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, and systems are disclosed for census and panel matching using Hypertext Transfer Protocol (HTTP) headers. An example apparatus includes memory, instructions in the apparatus, and processor circuitry to execute the instructions transmit a first session identifier in an HTTPS header property of a network message to a proxy server, the proxy server to parse the first sessio...