About 2 Trademarks found that are owned by Questech CorporatIon

Sealants for tiles, natural stone, and molded resins

Wall and floor tiles of clay, glass, gypsum, ceramic, and earthenware; and non-metal tiles; and sealer coatings sold as an integral component of non-metal tiles and natural stone for use as building materials

Sealer coatings for tiles, including tiles made from molded resins, and for natural stone, said tiles and natural stone used as floor, wall, and countertop surfaces and coverings