4. Office supplies; artists and teachers materials
  5. Teaching material
  6. Sensory feedback, e.g., audio-visual teaching machine

Andrew Lowinger

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Preprogrammed toy sound generator

Office supplies; artists and teachers materials – Teaching material – Sensory feedback – e.g. – audio-visual teaching machine
Patent

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Quizzer toy

Office supplies; artists and teachers materials – Teaching material – Sensory feedback – e.g. – audio-visual teaching machine
Patent

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Teaching machine

Office supplies; artists and teachers materials – Teaching material – Sensory feedback – e.g. – audio-visual teaching machine
Patent

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Profile ID: LFUS-PAI-P-1365154

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