74224555
Nov 25, 1991
Sep 21, 1993
computer software for network management; FDDI (Fiber Distributed Data Interface) bridges and routers; hubs; mainframe connection interfaces to existing local area networks; and local area network and distribution products; namely, multiplexers, modems, fiber optic and copper wiring, repeaters, multiple access units (MAU's), baluns, patch panels and expander panels
Electrical and Scientific Apparatus