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Braille sign and method of manufacture

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Braille slot machine

Education and demonstration – Communication aids for the handicapped
Patent

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Braille slot machine

Education and demonstration – Communication aids for the handicapped
Patent

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Braille teaching apparatus

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Braille teaching apparatus

Education and demonstration – Communication aids for the handicapped – Tactile reading aid
Patent

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Braille type device, system, and method

Education and demonstration – Communication aids for the handicapped
Reexamination Certificate

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Braille type device, system, and method

Education and demonstration – Communication aids for the handicapped
Reexamination Certificate

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