U.S. federal trademark · Serial No. 75545517 · Reg. No. 2403243
aerosol calibrating and quantification devices, namely, calibrated containers for gas; vapor measuring devices comprised of gas sample collection devices comprised of gas analyzers; disposable gas and liquid storage containers for calibrating and quantifying gas, disposable permeable diffusion gas containers for calibrating and quantifying gas; portable field use gas permeation calibrators; personal mounted gas detectors and explosive detectors
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