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

Daniel D. Park

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Bar code reader and information display

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

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Bar code reader and information display

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

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Systems and methods for messaging to multiple gateways

Electrical computers and digital processing systems: multicomput – Computer conferencing – Demand based messaging
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1210057

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