4. Communications: electrical
  5. Systems
  6. Signal light systems

George E. Maffey

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Illuminated door lock

Illumination – Door knob or keyhole illuminator
Patent

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Remotely actuated door lock light

Illumination – Door knob or keyhole illuminator
Patent

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Remotely actuated light

Communications: electrical – Systems – Signal light systems
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Remotely operated door lock light

Illumination – Door knob or keyhole illuminator
Patent

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Profile ID: LFUS-PAI-P-560573

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