87730048
Dec 21, 2017
Aug 3, 2021
PANASONIC CORPORATION OF NORTH AMERICA
Active Trademark
Central control system comprised of wired or wireless electrical controllers that communicate with ventilation systems and sensors that monitor indoor air quality; home automation and monitoring interconnected systems, controllable via mobile application software, comprising air filtration devices, formaldehyde sensors, volatile organic contaminate sensors, nitrous oxide sensors, particulate matter sensors, and voice attendants in the nature of intelligent personal assistant devices comprised of voice-activated speakers
Electrical and Scientific Apparatus