ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,488, issued on July 8, was assigned to SEOUL VIOSYS Co. LTD. (Ansan-si, South Korea).

"Portable water bottle having a UV light sterilization module" was invented by Woong Ki Jung (Ansan-si, South Korea), Byeong Cheol Joo (Ansan-si, South Korea) and Jae Young Choi (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable water bottle includes a water bottle body having water stored therein; and a sterilizing module for irradiating the inside of the water bottle body with sterilizing ultraviolet rays. The sterilizing module further includes a housing having an ultraviolet outlet through which the sterilizing ultraviolet rays pass...