Laser inscribing, engraving and micro-patterning in the nature of laser engraving services with respect to transparent materials, namely, natural and synthetic diamonds, monocrystalline and polycrystalline diamonds, sapphires, gemstones, glass, plastic and some polymers and transparent ceramics; treatment of materials, namely, affixing and embedding product authentication and security indicia in transparent materials, namely, natural and synthetic diamonds, monocrystalline and polycrystalline...