4. Photography and optical equipment
  5. Photographic accessory
  6. Screen or element thereof

William H. Barrett

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Material or article handling equipment – Hand cart or frame therefor – Stable
Patent

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Color cathode ray tube with infrared emitting phosphor in screen

Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
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Display workstation

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
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Remote control unit

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Patent

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Screen stand

Photography and optical equipment – Photographic accessory – Screen or element thereof
Patent

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Profile ID: LFUS-PAI-P-1289818

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