U.S. federal trademark · Serial No. 76305057 · Reg. No. 2777277
MATERIAL TESTING AND REGULATING APPLIANCES AND INSTRUMENTS NAMELY OPTICAL FIBER TESTING AND REGULATING APPLIANCES AND INSTRUMENTS USED IN TELECOMMUNICATION, NETWORKS AND IN FIBER OPTIC NETWORKS; OPTICAL SPECTRUM ANALYZERS AND SPECTRUM ANALYZERS FOR FIBER-OPTIC NETWORKS, WAVELENGTH-DIVISION OPTICAL MULTIPLEXERS AND DEMULTIPLEXERS; OPTICAL SPECTRUM ANALYZERS AND SPECTRUM ANALYZERS FOR FIBER-OPTIC NETWORKS; OPTICAL REFLECTOMETERS AND POLARIMETERS MODAL DISTORTION IN A LIGHT BEAM MEASURING APPLIANCES; MULTI-WAVELENGTH LASER SOURCE APPLIANCES AND INSTRUMENTS
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