78897416
May 31, 2006
Jul 22, 2008
Optical devices, components and materials, namely, semiconductor devices, optical filters, thin film optical filters, beam splitters, prisms for scientific purposes, optical reflectors, thin film reflectors, anti-reflective lenses, interferometers, etalons, polarizers, optical windows, anti-reflective windows, optical lenses, optical sources, output couplers, and lasers not for medical use
Electrical and Scientific Apparatus