4. Typewriting machines
  5. Key-board or key lever-actuating mechanism
  6. Key-board including keys grouped to facilitate positioning...

Phillips Tsai

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Ergonomic keyboard for a portable computer which is moveable bet

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent

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Expandable keyboard for a portable computer

Typewriting machines – Key-board or key lever-actuating mechanism – Key-board including keys grouped to facilitate positioning...
Patent

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Profile ID: LFUS-PAI-P-1434059

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