U.S. federal trademark · Serial No. 75134528
under computer software control, the FDDIswitch switches one (1) or two (2) network device (s), namely, a network general fiber distributed data interface (FDDI) server, network analyzers, tape backup units, printers, etc. between four (4) or eight (8) FDDI rings; by daisy-chaining FDDIswitches, additional FDDI rings may be switched
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.