Gross, Matthias

GHL

The mark consists of the letters of GHL with vertical column of horizontal curved lines over the G and one under the GHL.;electronic control systems for aquariums for monitoring and controlling water levels, water conductivity, water pH, oxygen reduction potential, salinity, and temperature, controlling of dimmable and non dimmable lamps and for simulating natural environmental conditions that promote the health and growth of marine life; illumination regulators for aquariums;Color is not claimed as a feature of the mark.;