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

Yueh Chang

Inventor

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Handgrip for a screwdriver

Tools and hardware – Other tools and implements – Screwdriver type
Patent

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Handle

Bleaching and dyeing; fluid treatment and chemical modification – Bleaching – Chemical
Design Patent

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Reversible ratchet screwdriver

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

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Profile ID: LFUS-PAI-P-1704294

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