4. Communications: directive radio wave systems and devices (e.g.,
  5. Directive
  6. Including antenna orientation

Ulf Jostell

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Antenna element for two orthogonal polarizations

Communications: radio wave antennas – Antennas – Microstrip
Patent

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Quadrifilar helix antenna

Communications: radio wave antennas – Antennas – Spiral or helical type
Reexamination Certificate

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Terminal antenna for communications systems

Communications: directive radio wave systems and devices (e.g. – Directive – Including antenna orientation
Patent

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Profile ID: LFUS-PAI-P-587109

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