ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,691, issued on March 4, was assigned to NAGRAVISION SARL (Cheseaux-sur-Lausanne, Switzerland).

"Secure installation of application keys" was invented by Jean-Bernard Fischer (Cheseaux-sur-Lausanne, Switzerland), Nicolas Fischer (Cheseaux-sur-Lausanne, Switzerland), Fabien Gremaud (Cheseaux-sur-Lausanne, Switzerland) and Karine Villegas (Cheseaux-sur-Lausanne, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure includes methods, devises and systems for preparing and installing one or more application keys owned by application owners in a remote device. The present disclosure further proposes methods, devices and systems ...