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

Arkenstone, Inc.

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Computer for visually impaired persons

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

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System and method for tracking a pedestrian

Education and demonstration – Communication aids for the handicapped
Patent

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Profile ID: LFUS-PAI-P-58831

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