Pui-Hing Tsui

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Structure for a belt light and an extension device therefor
- Patent number 5,967,823
- Issue date Oct 19, 1999
- Pui-Hing Tsui
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Colorful pattern lighting structure
- Publication number 20030185007
- Publication date Oct 2, 2003
- Pui-Hing Tsui
- F21 - LIGHTING