4. Compound tools
  5. Wrench

Chao-Hu Chen

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Adjustable cushion device

Spring devices – Vehicle – Mechanical spring and nonresilient retarder
Reexamination Certificate

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Means for adjusting positions of a bicycle's handlebar

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

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Multifunctional quick release for a bicycle

Compound tools – Wrench
Patent

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Seat adjusting device

Chairs and seats – Straddle seat – Adjustable to plural use positions
Patent

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Seat post cushion assembly

Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1190971

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