4. Typewriting machines
  5. Key-board or key lever-actuating mechanism

Hui-Hu Liang

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Automotive-use charger flashing light array

Electricity: battery or capacitor charging or discharging – Cell or battery charger structure
Reexamination Certificate

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Computer keyboard

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Peripheral equipment
Design Patent

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Headset

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Design Patent

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Hot-key mouse for the same

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate

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Key structure for computer keyboards

Typewriting machines – Key-board or key lever-actuating mechanism – Key-cap or key-stem structure
Patent

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Profile ID: LFUS-PAI-P-1148095

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