ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,188, issued on May 6, was assigned to Wirth Research Ltd. (Bicester, Great Britain).

"Refrigerated display case" was invented by Nicholas J. P. Wirth (Kent, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A refrigerated display case comprising: a refrigerated display area; a door configured to close an opening to the refrigerated display area; an air outlet spaced apart from an air inlet; a duct fluidically coupling the air inlet to the air outlet and configured to direct air flow out of the air outlet across the display area and toward the air inlet forming an air curtain across the display area; and an airflow inhibiting apparatus com...