4. Education and demonstration
  5. Audio recording and visual means
  6. Visual information in book form

Derrill P. Williams

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Audio/video transcription system

Data processing: generic control systems or specific application – Specific application – apparatus or process – Digital audio data processing system
Reexamination Certificate

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Audio/video transcription system

Data processing: generic control systems or specific application – Specific application – apparatus or process – Digital audio data processing system
Reexamination Certificate

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Digital audio transcription system

Data processing: generic control systems or specific application – Specific application – apparatus or process – Digital audio data processing system
Reexamination Certificate

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Electronic book and method

Education and demonstration – Audio recording and visual means – Visual information in book form
Patent

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Log note system for digitally recorded audio

Data processing: presentation processing of document – operator i – Presentation processing of document – Annotation control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1574414

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