ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,806, issued on Feb. 18, was assigned to Snap Inc. (Santa Monica, Calif.).

"Real time painting of a video stream" was invented by Yurii Monastyrshyn (Santa Monica, Calif.) and Illia Tulupov (Odessa, Ukraine).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, media, and methods are presented for generating graphical representations within frames of a video stream in real time. The systems and methods receive a frame depicting a portion of a face, identify user input, identify positions on the portion of the face corresponding to the user input. The systems and methods generate a graphical representation of the user input linked to positio...