About 2 Trademarks found that are owned by Purpleair Inc.

Electric or electronic sensors for pollutants and environmental sensors; Sensors for measuring particulates, smoke, dust, ozone, voc's and other air pollutants, not for medical use

PURPLE AIR

The mark consists of an outline of a cloud with the word PurpleAir to the right of the cloud.

Electric or electronic sensors for pollutants and environmental sensors; Sensors for measuring particulates, smoke, dust, ozone, voc's and other air pollutants, not for medical use