4. Communications: radio wave antennas
  5. Antennas
  6. Spiral or helical type

Charles John Meyer

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Circulator reverse power alarm

Communications: electrical – Condition responsive indicating system – With particular coupling link
Patent

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Method and apparatus for restarting a GPS-based timing...

Oscillators – With frequency calibration or testing
Reexamination Certificate

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Method of preventing detonation of a...

Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate

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Method of preventing detonation of a...

Telecommunications – Radiotelephone system – Emergency or alarm communication
Reexamination Certificate

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Repeater isolation through antenna polarization diversity

Communications: radio wave antennas – Antennas – Spiral or helical type
Patent

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Profile ID: LFUS-PAI-P-1293367

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