4. Telephonic communications
  5. Diagnostic testing, malfunction indication, or electrical...
  6. Of centralized switching system

Edward Davis

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Optical switch module

Optical waveguides – With optical coupler – Switch
Reexamination Certificate

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Systems and methods for facilitating placement of...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
Reexamination Certificate

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Systems and methods for facilitating placement of...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
Reexamination Certificate

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Systems and methods for facilitating placement of...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
Reexamination Certificate

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Tunable RF devices with metallized non-metallic bodies

Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2359336

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