ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,151, issued on June 17, was assigned to King Technology Inc. (Minnetonka, Minn.).
"Ion enhancement" was invented by Joseph A. King (Wayzata, Minn.), John Hill (Plymouth, Minn.) and Nicole A. Weulander (Savage, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for treating a body of water to kill microorganisms by enhancing the concentration metal ions therein. The apparatus comprising a dispenser with a first housing having a water accessible compartment containing a source of a N-halohydantoin compound for releasing the N-halohydantoin compound when contacted by the body of water with the at least one N-halohydantoin havin...