4. Education and demonstration
  5. Question or problem eliciting response
  6. Correctness of response indicated to examine by...

Jakob Ziv-El

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Interactive group communication system

Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...
Patent

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Method and apparatus for on-line teaching and learning

Education and demonstration – Question or problem eliciting response – Cathode ray screen display included in examining means
Reexamination Certificate

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Multimode recording and transmitting apparatus and its use...

Education and demonstration – Audio recording
Reexamination Certificate

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Remote teaching system

Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...
Patent

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Profile ID: LFUS-PAI-P-946379

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