Yiu Guang

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Patents Grantslast 30 patents

Information Patent Grant
Multi-bit driver with removable and replaceable tool bits
- Patent number 7,562,606
- Issue date Jul 21, 2009
- Dragonfire Group Holdings Limited
- Gerard Grand
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Multi-bit driver with removable and replaceable tools bits
- Publication number 20070251358
- Publication date Nov 1, 2007
- Gerard Grand
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS