Re-entrant cathode support
Reflector mount for an incandescent lamp having a planar filamen
Refractory-oxide-based incandescible radiators and method of mak
Regenerative-cycle incandescent lamp containing a dual-additive
Regenerative-cycle incandescent lamp containing HgBr.sub.2 addit
Regenerative-cycle incandescent lamp containing SnI.sub.4 additi
Rib structure for display device and its manufacture process
Robust lamp filament
Ruggedized, high power tungsten-halogen lamp