4. Communications: radio wave antennas
  5. Antennas
  6. Balanced doublet - centerfed

Paul Hallbjörner

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Method for controlling the radiation pattern of an antenna...

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Reexamination Certificate

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Micro electromechanical switches

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Polarity-responsive
Reexamination Certificate

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Micro electromechanical switches

Electricity: electrical systems and devices – Control circuits for electromagnetic devices
Reexamination Certificate

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Multi beam repeater antenna for increased coverage

Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2492553

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