4. Multiplex communications
  5. Wide area network
  6. Packet switching

David Helm

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Method for managing bandwidth in a packet-based...

Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate

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Method of determining transmission time to transmit an informati

Telecommunications – Transmitter and receiver at separate stations – Single message via plural carrier wave transmission
Patent

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Method of facilitating an audio source change in a digital radio

Multiplex communications – Wide area network – Packet switching
Patent

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Methods for achieving reliable joins in a multicast IP network

Multiplex communications – Special services – Distribution of signal to multiple agent stations
Reexamination Certificate

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Profile ID: LFUS-PAI-P-523372

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