4. Recording, communication, or information retrieval equipment
  5. Computer, data processor equipment

Peter J. Doodson

Inventor

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Cassette for a record carrier

Dynamic magnetic information storage or retrieval – Record medium – In container
Patent

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Cassette for magnetic tape provided with window

Dynamic magnetic information storage or retrieval – Record medium – In container
Patent

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Cassette with a magnetic tape

Special receptacle or package – For roll or reel – Plural rolls
Patent

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Dictating machine

Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent

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Dictating machine

Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent

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Profile ID: LFUS-PAI-P-353151

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