4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Telephone equipment

David J. Privitera

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Personal security alarm

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent

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Personal security alarm

Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Reversible ribbon cartridge

Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism
Patent

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Scanning apparatus

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

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Support arm for computer keyboard

Supports – Pipe or cable – Extending through plate
Patent

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Profile ID: LFUS-PAI-P-381122

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