Patents Gen 1 Patents: US 9,689,544 US 10,125,937 US 10,240,736 US 10,480,734 US 10,976,019 US 11, 435, 043 B2 US 11,746,974 B2 US 12,055,277 Gen 2 Patents: US 10,514,141 B1 US 10,907,787 B2 US 11,168,855 B2 US 11,662,072 B2 US 12, 203, 610