| sdNOS DZS Inc. 2219892 17 Aug 2021 | Protected: Registered/protected | Telecommunications operating system software, namely, downloadable ope... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Telecommunications operating system software, namely, downloadable operating system software and recorded operating system software for use with optical telecommunications equipment for enabling communication of data over an optical network, downloadable operating system software and recorded operating system software for managing the optical telecommunication equipment associated with the optical network. | |