U.S. federal trademark · Serial No. 85185022 · Reg. No. 4232124
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)
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