U.S. federal trademark · Serial No. 97480492 · Reg. No. 7126865
Actinometers; Colorimeters; Hygrometers; Photometers; Thermo-hygrometers; Air analysis apparatus; Carbon dioxide detectors; Heliographic apparatus; Luminoflux meters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.