4. Communications: electrical
  5. Audible indication
  6. Percussion-type sound producer

James G. Liuzzo

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Keyboard housing

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

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Keyboard with arrays of function keys

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

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Profile ID: LFUS-PAI-P-1854866

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