U.S. federal trademark · Serial No. 79124896 · Reg. No. 4402238
Transmissometers; opacity monitors; scattered light meters; spectrometers; photometers; flame ionization detectors; gas analyzing systems consisting of a combination of transmissometers, opacity monitors, scattered light meters, spectrometers, photometers, flame ionization detectors; gas analyzers for use of emission monitoring on board of ships; dust monitors based on transmission of light, scattering of light, or combinations of transmission and scattering of light; emission measuring systems for use on board of ships comprised of transmissometers, opacity monitors, scattered light meters, spectrometers, photometers; computer operating system programs for measuring and control technology; gas testing instruments; gasometers being measuring instruments
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