4. Machine element or mechanism
  5. Elements
  6. Cranks and pedals

Chia-Lung Chen

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Bicycle crankset

Machine element or mechanism – Elements – Cranks and pedals
Patent

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Fastening assembly of bicycle upright tube

Machine element or mechanism – Control lever and linkage systems – Elements
Patent

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Transformable pocket knife

Cutlery – Convertible
Reexamination Certificate

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Vertical tube structure for bicycles

Land vehicles – Wheeled – Occupant propelled type
Patent

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Profile ID: LFUS-PAI-P-599923

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