ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,217,584, issued on Feb. 4, was assigned to Essence Security International (E.S.I.) Ltd. (Herzlia Pituach, Israel).

"Obscuration cloud generator" was invented by Sergey Meron (Netanya, Israel), Avi Zeilig (Rosh HaAyin, Israel) and Pavel Lindberg (Rosh HaAyin, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "An obscuration cloud generation device (100) is disclosed. It may comprise a container (104) for holding an obscuration cloud generating canister (110), wherein a composition for forming the obscuration cloud is emitted from the obscuration cloud generating canister (110) in response to activating the obscuration cloud generating canister (110). I...