4. Education and demonstration
  5. Communication aids for the handicapped
  6. Tactile reading aid
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Reading apparatus for eyesight handicapped person

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

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Refreshable Braille display device

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

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Refreshable braille display system

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

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Refreshable braille display system with a flexible surface

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

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Refreshable braille reader

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

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Refreshable braille-cell display implemented with shape memory a

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

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Refreshable tactile computer display

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

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Representation of color for blind persons

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

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