4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Telephone equipment

William R. Hargreaves

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Devices for conducting specific binding assays

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter
Patent

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Ergonomic keyboard apparatus

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

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Ergonomic keyboard apparatus

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Ergonomic keyboard apparatus

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Keyboard

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

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Profile ID: LFUS-PAI-P-559581

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