Matthias Gross Trademarks
KH DIRECTOR
Filed: January 10, 2017
Measurement probes, namely, probes featuring sensors to measure alkalinity in water; measurement devices and instruments…
Owned by: Matthias Gross
Serial Number: 87295217
GHL
Filed: August 10, 2021
Electronic control systems for aquariums for monitoring and controlling water levels, water conductivity, water pH, oxygen…
Owned by: Matthias Gross
Serial Number: 90874981
