U.S. federal trademark · Serial No. 75707148 · Reg. No. 2483232
optical communication apparatus for use in transmission, reception, separation, combination and directional control of optical signals, namely, add/drop filters, couplers, wavelength selective devices, optical switches, interleaving filters, multiplexers, demultiplexers and routers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.