U.S. federal trademark · Serial No. 77049429 · Reg. No. 3832275
Components and sub-systems for fiber-optic communications and carrier-grade systems, namely, tunable filters and tunable optical detectors; electronic circuits and computer software to control tunable filters, monitors and compensators for fiber optic communications; electronic circuits and computer software for read-out of monitoring signals for fiber optic communications; computer software for processing the raw signal of optical monitors; test and measurement equipment, namely, electronic monitors for wavelength division multiplexed (WDM) channel power and for wavelength and optical signal-to-noise ratio; test and measurement equipment, namely, total optical power monitors, chromatic dispersion monitors and compensators, polarization dispersion monitors and compensators, optical supervisory channel monitors, optical amplifier gain-tilt monitors and compensators, wavelength services optical monitors, dark-fiber services optical monitors; wavelength division multiplexers and demultiplexers for fiber optic communications; electronic and optical communications instruments and components, namely, tunable receivers
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