GSWITCH
Security devices and optically variable devices used in bank notes and other security documents, namely, hologram apparatus for creating diffractive optical elements, holograms, interference filters for filtering light, holographic filters for filtering light, holographic embossings, holographic optical thin security films, multi-layer holographic films, iridescent holographic security layers, retro reflective holographic layers, liquid crystal filters for filtering light and polarization fil...
Cancelled · October 12, 2005 · 79020761 ·