4. Land vehicles
  5. Skates
  6. Wheeled skate

Chun-Cheng Chang

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Base structure for roller skates

Land vehicles – Skates – Wheeled skate
Reexamination Certificate

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Easy-to-install/detach skate base for a roller skate

Land vehicles – Skates – Shoe attaching means
Reexamination Certificate

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Locking device for a detachable skate of sport shoe

Land vehicles – Convertible – Wheel to or from runner
Reexamination Certificate

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Outer assembling mechanism of backpack for carrying...

Package and article carriers – Carried by animate bearer – Convertible or combined
Reexamination Certificate

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Wheel assembly for a roller skate

Land vehicles – Skates – Wheeled skate
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2140341

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