ALEXANDRIA, Va., March 17 -- United States Patent no. 12,579,620, issued on March 17, was assigned to Amazon Technologies Inc. (Seattle).

"Techniques for obfuscating video generated by a camera device" was invented by Amir Chernykh (Kyiv, Ukraine), Alexander Zarichkovyi (Kyiv, Ukraine), Dmytro Zhuk (Berlin), Roman Pukhtaievych (Kyiv, Ukraine), Oleksii Karbachevskyi (Kyiv, Ukraine), Julie Loch (Los Angeles) and John Santhosh Kumar Mathiyas (St. Ives, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure describes, in part, techniques for implementing customized motion zones for security monitoring using a privacy screen. In embodiments, such techniques may comprise receiving first data ...