4. Coded data generation or conversion
  5. Bodily actuated code generator
  6. Including keyboard or keypad

James W. Burrell, IV

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Ergonomic eight key chord keyboard

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Helix turbine system and energy production means

Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive
Reexamination Certificate

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Method of using a nine key alphanumeric binary keyboard combined

Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Patent

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Method of using a nine key alphanumeric binary keyboard...

Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Reexamination Certificate

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Nine key alphanumeric binary keyboard combined with a three...

Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1396966

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