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

Kenneth J. Derry

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Automated meter reader device having optical sensor with...

Communications: electrical – Continuously variable indicating – Via radiant energy beam
Reexamination Certificate

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Automated meter reader having high product delivery rate...

Communications: electrical – Continuously variable indicating – With meter reading
Reexamination Certificate

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Automated meter reader having high product delivery rate...

Communications: electrical – Continuously variable indicating – With meter reading
Reexamination Certificate

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Automated meter reading system

Communications: electrical – Continuously variable indicating – With meter reading
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2394680

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