Material processing, namely, injection molding of plastic, laser engraving and machine tooling of metal for producing microscopic structures on surfaces, in particular gratings, grids and similar structures, for producing holograms and other effects based on optical diffraction and interference from electromagnetic radiation

[ Retail store services featuring plastic devices with embedded hologram-like optically diffractive images for product and/or document identification, authentication, and security; Business management; Business administration; Business consultancy ]