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

Robert A. Cashatt

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Interactive quiz cartridge

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

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Interactive quiz cartridge in an open position

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

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Interactive quiz machine

Games – toys – and sports goods – Game or gambling article – Electronic type
Design Patent

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Interactive quiz machine with cartridge

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

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Interactive quiz machine with cartridge in an open position

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

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Profile ID: LFUS-PAI-P-2561217

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