85814191
Jan 2, 2013
Jun 3, 2014
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
Electrical and Scientific ApparatusAir filtration equipment, namely, air purifying apparatus and machines, air filtering apparatus for industrial and airline installations, and filter cartridges for the foregoing
Environmental Control Apparatus