ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,446, issued on Dec. 2.

"Sterilizing and insecticidal sprayer" was invented by Bong-Je Jo (Uiwang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sterilizing and insecticidal sprayer comprising: a sterilizing water container in which sterilizing water is stored; an insecticidal liquid container in which an insecticidal liquid is stored; a three-way valve switched such that compressed air is selectively used to spray sterilizing water from the sterilizing water container, or supplied to the insecticidal liquid container; a vibration generator positioned in the insecticidal liquid container so as to generate vibrations by means of compr...