85185022
Nov 24, 2010
Oct 30, 2012
Active Trademark
Fiber optical device and components for use in optic network systems and broadband networks, namely, polarization insensitive isolator, couplers, circulators, fused wavelength division multiplexers, thin film wavelength division multiplexers (WDM), dense wavelength division multiplexer (DWDM), gain flattening filter (GFF), optical add drop multiplexer (OADM)
Electrical and Scientific Apparatus