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Portable computer shaped learning machine

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

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Portable electronic dictionary

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Portable instructional display device for welding or the like

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Portable instructional flight aid device

Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Portable learning unit

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

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Portable teaching aid

Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent

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Power factor demonstrator

Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent

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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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Preschool teaching aid

Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent

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Psychological test machine

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

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Puzzle for teaching

Office supplies; artists and teachers materials – Teaching material – Demonstrator or exhibitor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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