U.S. federal trademark · Serial No. 76492524
Passive fiber telecommunication applications, namely, DWDM (dense wavelength division multiplexing) multiplexers and demultiplexers; DWDM interleavers; optical variable attenuators; optical DWDM add/drop multiplexers; optical circulators, and fiber optic dispersion compensators
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.