74401840
Jun 11, 1993
Nov 8, 1994
communication waveguide networks; television transmitting antennas; earth station antennas; fiber-optic cables; computer networking hardware, peripherals and accessories - namely, token-ring bridges, adapter cards, interfacing cards, port expansion cards, and emulation cards; radiating transmission lines; computer software for use in networking
Electrical and Scientific Apparatusdehumidification and pressurization units for use with waveguides and antennas
Environmental Control Apparatus