Ting Yu Kwan

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Tsuen Wan, HK

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Patents Grantslast 30 patents

Information Patent Grant
Power tool safety device
- Patent number 7,210,542
- Issue date May 1, 2007
- Defond Components Limited
- Hin Ming Lam
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Power tool safety device
- Publication number 20060060364
- Publication date Mar 23, 2006
- Defond Components Limited
- Hin Ming Lam
- H01 - BASIC ELECTRIC ELEMENTS