Cathode structure for a gas discharge display tube
Chip-in-glass fluorescent indicator panel with heat protection
Copper-steel composite lead wire and use in incandescent filamen
Dielectric for multiple gaseous discharge display/memory panel h
Discharge lamp of the short arc type
Display panel with expansible, metallic capsule containing mercu
Electrical indicia display device and method for making same
Filament support assembly for display device
Flat form device for creating illuminated patterns
Flat type multi-digit indicating apparatus
Fluorescent display device
Fluorescent display tube wherein grid electrodes are formed on r
Gas discharge character display tube with apertured mica plate
Gas discharge display panel having novel cathode assembly
Gas discharge display tube with barrier means for prevention of
Gas plasma display panel containing an improved low-temperature
Gaseous breakdown display device
Gaseous discharge display device having specific standardized vi
Gaseous display panel with webbed anode
Incandescent display lamp