4. Wave transmission lines and networks
  5. Plural channel systems
  6. Having branched circuits

American Telephone & Telegraph Company

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Automatic synchronous/asynchronous modem

Pulse or digital communications – Repeaters – Testing
Patent

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Base for computer, computer terminal or similar article

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

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Communication of a voice signal via continuous quadrature amplit

Pulse or digital communications – Repeaters – Testing
Patent

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Connector assembly

Electrical connectors – With supporting means for coupling part – Outlet box
Patent

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Data set

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

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Profile ID: LFUS-PAI-P-267565

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