4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

Robert E Lee

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Magnetic security device for securing doors

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Magnetic security device for securing doors

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Wireless control of security system with key-operated key fob

Communications: electrical – Selective – Intelligence comparison for controlling
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2382685

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