4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Pivoted outer jaw

Jong-Shing Chang

Inventor

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Adjustable wrench

Tools – Wrench – screwdriver – or driver therefor – Pivoted outer jaw
Patent

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Adjustable wrench

Tools – Wrench – screwdriver – or driver therefor – Slidable jaw adjustments
Patent

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Hand tool having a fast replaceable blade

Tools – Tool jaw – Crossed handles
Reexamination Certificate

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Pliers

Tools – Tool jaw – With means to vary range limit of jaw movement
Patent

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Ratchet wrench

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

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Profile ID: LFUS-PAI-P-741904

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