4. Electric lamp and discharge devices
  5. With temperature modifier
  6. Double wall, jacket or casing for envelope

Frank I. Ewing

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Metal halide lamps with oxidized frame parts

Electric lamp and discharge devices – With temperature modifier – Double wall – jacket or casing for envelope
Patent

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Skin tanning fluorescent lamp construction utilizing a phosphor

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
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Profile ID: LFUS-PAI-P-1201785

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