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

Ching Chou Lin

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Gear transmission cartridge

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Gear transmission cartridge

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Magnetic device for retaining tool members to drivers

Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Reexamination Certificate

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Multifunction tool

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

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Ratchet screw driver

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

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Profile ID: LFUS-PAI-P-171611

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