4. Electricity: conductors and insulators
  5. Insulators
  6. Through wall or plate

Robert F. Howarth

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Blocking feed-through for coaxial cable

Electricity: conductors and insulators – Insulators – Through wall or plate
Patent

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Data validation monitor

Pulse or digital communications – Repeaters – Testing
Patent

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Flux containment device

Illumination – With container
Patent

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Widerange photomultiplier circuit

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent

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Profile ID: LFUS-PAI-P-969310

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