4. Telecommunications
  5. Transmitter and receiver at same station
  6. Radiotelephone equipment detail

Stephen B. Tidwell

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Dual-band helical antenna

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

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Multi-axis vertically corrected antenna for handheld wireless co

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent

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Telescoping mast antenna for wireless devices having rotating ma

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent

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Vertically correcting antenna for portable telephone handsets

Telephonic communications – Terminal – Housing or housing component
Patent

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Profile ID: LFUS-PAI-P-1482536

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