4. Electric resistance heating devices
  5. Heating devices
  6. Radiant heater

Alex L. Halberstadt

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Lighting – Light fixture – Element or attachment
Patent

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Heating apparatus

Electric heating – Heating devices – Combined with container – enclosure – or support for material...
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Incandescent lamps

Electric lamp and discharge devices – With gas or vapor – Incandescent filament lamp
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Microwave oven having a source of infra-red radiation

Electric heating – Metal heating – Of cylinders
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Mirror lamp

Illumination – Photographic lighting – Including specific light modifier
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Profile ID: LFUS-PAI-P-366999

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