Filed Oct. 12, 2020

Serial No. 90249070

Registered July 6, 2021

Registration No. 6,408,769

Class Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Environmental monitoring system comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; Gas sensors for measuring gas concentration; Humidity sensor with integrated digital and analog output circuitry used in automotive, appliance and light industrial applications to sense both relative humidity and temperature environmental conditions; Leak detecting device for water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Portable electronic recorder for measuring and recording multiple voltage, current and thermocouple readings from various transducers; Pressure sensors; Sensors for measuring concentrations of chemicals in water; Temperature sensors; Water testing instrumentation for monitoring and detecting contamination; 021; 023; 026; 036; 038