U.S. federal trademark · Serial No. 77071514 · Reg. No. 5225527
optical telecommunication machines and apparatus, and their parts and devices, namely, optical data links, optical transceivers, optical semiconductor devices, semiconductor laser diode chips, semiconductor laser diode modules, photo diode chips, photo diode modules, and optical integrated circuits; all of the aforementioned goods are adapted to the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS) regulated by the European Union
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