US Patent Issued to Essence Security International (E.S.I.) on Feb. 10 for "Visibility-impairing security device" (Israeli Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,571, issued on Feb. 10, was assigned to Essence Security International (E.S.I.) Ltd. (Herzlia Pituach, Israel).

"Visibility-impairing security device" was invented by Sergey Meron (Netanya, Israel), Pavel Lindberg (Rosh HaAyin, Israel), Eran Vendriger (Tel-Aviv, Israel) and Eran Cohen (Tel-Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A visibility-impairing security device is disclosed for producing a gathering of air-suspended light-obscuring matter to obscure vision. The device comprises a body comprising an emission unit receiving portion for holding an emission unit having an outlet for emitting the matter; an opening for the passi...