Filed: October 15, 2018 Paper; Thermal paper; Creped paper in colors; Paper sheets; Printed matter, namely, brochures in the field of mathematics… Owned by:Xiao Yun Serial Number:88154412
Filed: October 1, 2019 Ceiling lights; Chandeliers; Electric lamps; Electric lanterns; Electric night lights; Electric track lighting units; Flashlights… Owned by:Xiao Yun Serial Number:88637108