U.S. federal trademark · Serial No. 76186893
Fiber Optical Device, namely, polarization Insensitive Isolator, Coupler, Circulator, Fused Coupling WDM(wavelength division multiplexer), Thin Film WDM, DWDM(dense wavelength division multiplexer) GFF(gain flattening filter), OADM(optical add drop multiplexer)
Design Fiber Optical product, namely, provide design services for others for polarization Insensitive Isolator, Coupler, Circulator, Fused Coupling Wavelength Division Multiplexer, Thin Film Wavelength Division Multiplexer, Dense Wavelength Division Multiplexer, Gain Flattening Filter, Optical Add Drop Multiplexer
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.