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

H. Douglas Garner

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Braille reading system

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

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Heads up display

Communications: electrical – Aircraft alarm or indicating systems – Nonalarm flight indicator
Patent

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Magnetic heading reference

Geometrical instruments – Indicator of direction of force traversing natural media – With preselected direction indicator
Patent

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Method and device for producing a tactile display using an elect

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

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Profile ID: LFUS-PAI-P-1247045

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