Mark Identification
TTC
Serial Number
76345616
Filing Date
Dec 5, 2001
Trademark by
Classification Information
"Er-doped fiber amplifiers, modular er-doped fiber amplifiers, optical switches, external modulation 1550nm transmitters, optical auto switches, amplified spontaneous emission broadband light sources, distributed feed-back light sources, multi-wavelength light sources"
Electrical and Scientific Apparatus