4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Telephone equipment

Charles M. Fiorella

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Area actuated switch array

Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent

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Method for making area actuated switch

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Portable computerized unit

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Sheet membrane keyboard and electronic apparatus using same

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

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Profile ID: LFUS-PAI-P-1433975

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