U.S. federal trademark · Serial No. 85750358 · Reg. No. 4573027
Photometer, radiometer, spectroradiometer for measuring luminance, radiance, screen brightness and uniformity, contrast ratios, stray light and surround brightness in theaters, viewing rooms, and review rooms
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.