Thean Kule Christopher Chang

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Speaker with externally mounted acoustic extension
- Patent number 7,450,733
- Issue date Nov 11, 2008
- Creative Technology Ltd.
- Susimin Suprapmo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Speaker with externally mounted acoustic extension
- Publication number 20050163334
- Publication date Jul 28, 2005
- Susimin Suprapmo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE