4. Communications: radio wave antennas
  5. Antennas
  6. With polarization filter or converter

Donald Shea

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Method and apparatus for transmitting and receiving multiple...

Communications: radio wave antennas – Antennas – With polarization filter or converter
Reexamination Certificate

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Method and apparatus for wireless communications and sensing...

Communications: radio wave antennas – Antennas – With spaced or external radio wave refractor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2128118

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