4. Wave transmission lines and networks
  5. Coupling networks
  6. Electromechanical filter

Doug Spurell

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Antenna coupler

Wave transmission lines and networks – Plural channel systems – Having branched circuits
Reexamination Certificate

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Ceramic filter for use with a beacon receiver

Wave transmission lines and networks – Coupling networks – Electromechanical filter
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2529317

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