Fung Chi Ho

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Screwdriver with manuel spindel lock
- Patent number 6,273,200
- Issue date Aug 14, 2001
- Black & Decker Inc.
- Roger Q. Smith
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS