4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Handle clutched to head

Hsiu-Ching Huang

Inventor

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Adjustable wrench

Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments
Reexamination Certificate

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Double-headed mobile wrench

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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One-way wrench

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reexamination Certificate

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Robust wrench

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reexamination Certificate

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Robust wrench

Tools – Wrench – screwdriver – or driver therefor – Handle clutched to head
Reissue Patent

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Profile ID: LFUS-PAI-P-2639288

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