4. Land vehicles
  5. Wheeled
  6. Occupant propelled type

Tzu-Tsan Yang

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Dynamic rowing machine

Undertaking
Patent

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Interchangeable shoe and slipper combination

Boots – shoes – and leggings – Boots and shoes – Convertible from one style or color to another
Patent

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Multiple-wheel cycle

Land vehicles – Wheeled – Occupant propelled type
Patent

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Separable multiple-wheel cycle

Land vehicles – Wheeled – Occupant propelled type
Patent

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Profile ID: LFUS-PAI-P-881794

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