U.S. federal trademark · Serial No. 87273701 · Reg. No. 5419398
Air quality measurement apparatus, namely, particle counters; air quality analyzing and monitoring apparatus and instruments, namely, electronic monitors and detectors for monitoring and detecting airborne particulates and for monitoring and measuring air speed, pressure drop, and humidity; air quality particulate measurement instruments, namely, particle counters; sensors for monitoring and measuring the level of gaseous or odorous contaminants; detectors for detecting the presence of gaseous or odorous contaminants
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