Frank X. Li

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Printed circuit board including a notch filter for attenuating radi...
- Patent number 7,327,208
- Issue date Feb 5, 2008
- Spreadtrum Communications Corporation
- Wulin Shi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Printed circuit board including a notch filter for attenuating radi...
- Publication number 20060186970
- Publication date Aug 24, 2006
- Spreadtrum Communications Corporation
- Wulin Shi
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR