Rhoda Chor Man Yue

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Electric appliance with a PTC heating member and a method of operat...
- Patent number 6,664,516
- Issue date Dec 16, 2003
- Halo Company, Ltd.
- Daniel Kee Hung Chang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Electric appliance with a PTC heating member and a method of operat...
- Publication number 20030089700
- Publication date May 15, 2003
- Daniel Kee Hung Chang
- A45 - HAND OR TRAVELLING ARTICLES