LandOfFree - US Patents - Listing for Education and demonstration,Communication aids for the handicapped,Tactile reading aid

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Binary information display apparatus

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

Patent

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Binary information display device

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

Patent

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Block retaining slate for facilitating engagement and alignment

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

Patent

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Book for joint reading by a visually impaired person and a sight

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

Patent

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Braille architectural sign apparatus

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

Patent

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Braille board with movable dot pins

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

Patent

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Braille cell

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

Patent

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Braille cell and display comprising a plurality of braille...

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

Reexamination Certificate

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Braille cell assembly having holder tray

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

Patent

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Braille cell provided with an actuator comprising a mechanically

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

Patent

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Braille display

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

Patent

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Braille display device using electrorheological fluid and...

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

Reexamination Certificate

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Braille display reader

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

Patent

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Braille encoding method and display system

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

Patent

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Braille learning apparatus

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

Patent

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Braille mouse having character code member actuated by single so

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

Patent

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Braille print board

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

Patent

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Braille reading system

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

Patent

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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 teaching apparatus

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

Patent

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