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

William J. Janssen

Inventor

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Hand tool with angular interchangeable ratcheting heads

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

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Wrench

Tools and hardware – Other tools and implements – Wrench
Patent

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Profile ID: LFUS-PAI-P-1334369

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