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

Masaji Sawada

Inventor

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Autodialer with electronic telephone directory

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

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Binder

Office supplies; artists and teachers materials – Book – album or cover – Ring bound or looseleaf type
Patent

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Calculator

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Calculator with printer

Printing and office machinery – Typewriter or calculator – Calculator
Patent

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Case for electrocardiograph

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Cardialogical
Patent

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Profile ID: LFUS-PAI-P-111235

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