4. Telecommunications
  5. Transmitter and receiver at same station
  6. Radiotelephone equipment detail

David Mak-Fan

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Headset with multi-button control for a mobile communication...

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

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Method for facilitating navigation and selection...

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate

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On-screen diagonal cursor navigation on a handheld...

Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate

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System and method for activating an electronic device

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate

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System and method for activating an electronic device

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2268857

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