ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,072, issued on May 12, was assigned to TAIWAN OASIS TECHNOLOGY Co. LTD. (Taipei City, Taiwan).
"Negative potential generation device" was invented by Ming-Shun Lee (New Taipei City, Taiwan) and Ming-Der Lin (Hsinchu County, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A negative potential generating device which includes an insulating box, an AC/DC converter, a booster, a second wire and an insulating lid is presented. The insulating box has a side wall, and an inner surface of the side wall has a blind hole. The AC/DC converter is arranged inside the insulating box, and electrically connected with a plug through a first wire. The booster is...