4. Education and demonstration
  5. Communication aids for the handicapped
  6. Tactile reading aid

John V. Becker

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Braille computer monitor

Computer graphics processing and selective visual display system – Plural physical display element control system – Physically movable array
Reexamination Certificate

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Braille computer monitor

Computer graphics processing and selective visual display system – Plural physical display element control system – Physically movable array
Reexamination Certificate

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Tactile communication

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

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Profile ID: LFUS-PAI-P-1804194

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