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

Daniel R. McCullough

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Automatic customer number paging system

Data processing: financial – business practice – management – or co – Automated electrical financial or business practice or... – Health care management
Patent

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Skipped number display for customer service control system

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

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Profile ID: LFUS-PAI-P-630121

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