4. Pulse or digital communications
  5. Repeaters
  6. Testing

Philip R. Couch

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Data eye monitor

Pulse or digital communications – Repeaters – Testing
Patent

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Digital data transmission system

Pulse or digital communications – Repeaters – Testing
Patent

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Direct current coupled data transmission

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent

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Fiber optic bypass switch

Patent

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Linear position indicator system and method

Measuring and testing – Liquid level or depth gauge – Float
Reexamination Certificate

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Profile ID: LFUS-PAI-P-759580

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