4. Amusement devices: toys
  5. Rolling or tumbling
  6. Wheeled vehicle

Wai-Hung Siu

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Closed-loop steering control mechanism

Amusement devices: games – Including means for processing electronic data – Player-actuated control structure
Patent

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Safety high speed electric toy vehicle

Amusement devices: toys – Rolling or tumbling – Including intrinsic motive power means for propulsion
Patent

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Toy vehicle with an improved steering mechanism

Amusement devices: toys – Rolling or tumbling – Wheeled vehicle
Patent

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Profile ID: LFUS-PAI-P-1305772

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