ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,853, issued on April 29, was assigned to The Nielsen Co. (US) LLC (New York).

"End-point media watermarking" was invented by Arun Ramaswamy (Tampa, Fla.), Timothy Scott Cooper (Tarpon Springs, Fla.), Jeremey M. Davis (New Port Richey, Fla.) and Alexander Topchy (New Port Richey, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Apparatus, systems, methods, and articles of manufacture related to end-point media watermarking are disclosed. An example device includes a media receiver to receive a media signal, a watermark generator to generate a watermark, a trigger to activate the watermark generator to generate the watermark based on an external inp...