PERSONAL AIR QUALITY
Mark Identification

PERSONAL AIR QUALITY

Serial Number

88914527

Filing Date

May 13, 2020

Trademark by

TERAHERTZ DEVICE CORPORATION

Classification Information

Gas appliance alarm timer for detecting and alerting the presence of gas flow after a prescribed period of time; Gas detectors for detecting the presence of gas; LED circuit boards; LED drivers; Photodiodes; Light emitting diodes (LEDs)

Electrical and Scientific Apparatus