U.S. federal trademark · Serial No. 75635555
fiber optic wavelength-division division multiplexed communications systems comprised of optical transmitters, optical waveguides, optical amplifiers, and optical receivers configured for connectivity to communication networks including SONET (Synchronous Optical Network), SDH (Synchronous Digital Hierarchy), ATM (Asynchronous Transfer Mode) and IP (Internet Protocol) equipment
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.