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

W. James McKeefery

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Random entry intercomputer network with collision prevention

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

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Rechargeable battery pack charging system with redundant...

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1566591

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