ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,703, issued on May 19, was assigned to APPLIED PLASMA INC. (Gyeongsangbuk-Do, South Korea).

"Spray nozzle device" was invented by Jae Beom Park (Daegu, South Korea) and In Ho Choi (Gyeongsangbuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spray nozzle device according to an embodiment includes a first nozzle having a first spray hole for spraying plasma, a second nozzle spaced apart from the first nozzle and having at least one second spray hole through which the plasma sprayed from the first nozzle passes, a coupling member spaced apart from the second nozzle and coupled to the first nozzle, and at least one connecting member co...