4. Communications: radio wave antennas
  5. Antennas
  6. Wave guide type

Michael J. Withers

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Apparatus for varying the path length of a beam of radiation

Optics: measuring and testing – By light interference – Spectroscopy
Reexamination Certificate

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Circularly polarizing antenna feed

Communications: radio wave antennas – Antennas – Wave guide type
Patent

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Profile ID: LFUS-PAI-P-1473913

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