4. Communications: electrical
  5. Systems
  6. Call station

John E. Pfeifer

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Portable sensor for detecting bends of the back of a person past

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Power takeoff and lighting unit for fluorescent fixture

Illumination – Elongated source light unit or support – With means to accommodate additional circuit element
Patent

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Touch-responsive portable intrusion alarm

Communications: electrical – Systems – Call station
Patent

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Profile ID: LFUS-PAI-P-796255

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