4. Tools
  5. Wrench, screwdriver, or driver therefor
  6. Double-ended, simultaneous adjustment

James W. Ma

Inventor

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Multi-purpose tool

Tools – Wrench – screwdriver – or driver therefor – Double-ended – simultaneous adjustment
Patent

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Multi-purpose tool

Tools and hardware – Other tools and implements – Combination tool
Patent

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Push-to-connect air brake fitting

Pipe joints or couplings – Nonmetal to metal – Internal member
Patent

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Self-adjustable ratchet wrench

Tools – Wrench – screwdriver – or driver therefor – Plural pivoted jaws and handle-lever
Patent

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Profile ID: LFUS-PAI-P-1321138

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