ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,993, issued on June 17, was assigned to MAXENS Co. Ltd. (Incheon, South Korea).
"Emergency evacuation oxygen mask" was invented by Jun Youn Hwang (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is an emergency evacuation oxygen mask provided with a hood configured to be worn on a user's head and an oxygen canister configured to supply oxygen to the user who wears the hood. The emergency evacuation oxygen mask includes an upper cover in which the hood is accommodated, a female coupling portion coupled to a lower end portion of the upper cover and connected to an oxygen supply port that is provided at the hood, and a male...