4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Ribbon-feeding mechanism

Ricky T. K. Choy

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Exercise treadmill expansion control system

Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Reexamination Certificate

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Printer ribbon motor controller

Typewriting machines – Including interposed inking device for record-medium – Ribbon-feeding mechanism
Patent

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Profile ID: LFUS-PAI-P-1782139

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