4. Communications: electrical
  5. Continuously variable indicating
  6. With meter reading

Charles F. Davis

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Pulsed width modulated remote signalling and location identifica

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Systems and methods for structured vocabulary search and...

Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1393797

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