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

Rudolph D. Schalow

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Alarm circuit suitable for monitoring freezer temperature

Communications: electrical – Systems – Call station
Patent

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Energy conserving thermostatic control

Automatic temperature and humidity regulation – With timing element – Timer other than clock
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Vehicle guidance system

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent

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Profile ID: LFUS-PAI-P-942139

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