4. Amusement devices: toys
  5. Construction toy
  6. Interfitting elements

Chen-Tsung Chen

Inventor

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Adjustable wrench that clamps a workpiece exactly and tightly

Tools – Wrench – screwdriver – or driver therefor – Pivoted outer jaw
Reexamination Certificate

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Polygonal ring-like toy building block having means for intercon

Amusement devices: toys – Construction toy – Interfitting elements
Patent

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Toy building block set

Amusement devices: toys – Construction toy – Interfitting elements
Patent

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Toy building block set

Amusement devices: toys – Construction toy – Interfitting elements
Patent

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Toy construction ring

Games – toys – and sports goods – Toy – Representation or scale model
Patent

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Profile ID: LFUS-PAI-P-1417920

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