4. Telecommunications
  5. Radiotelephone system
  6. Zoned or cellular telephone system

Paul Marshall Doran

Inventor

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Data entry system

Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent

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Data entry systems

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Hand held telecommunications and data entry device

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1565195

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