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

Douglas Ewald

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Portable handheld scanning device

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

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Portable water filter

Liquid purification or separation – Serially connected distinct treating with or without storage... – One unit inside another
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Profile ID: LFUS-PAI-P-1309960

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