87686942
Nov 16, 2017
Feb 26, 2019
Active Trademark
Air quality measurement apparatus, namely, air monitoring equipment; electronic-based instruments for measuring environmental parameters, namely, air composition and quality; respirators not for artificial respiration; respirators for non-medical use; air filters for respiratory masks not used for medical purposes; air monitors not for medical use for monitoring and detecting gases in the air
Electrical and Scientific Apparatus