Zhongbao Feng

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Global positioning system and dead reckoning (GPSandDR) integrated...
- Patent number 8,239,133
- Issue date Aug 7, 2012
- O2Micro, International
- James Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
GLOBAL POSITIONING SYSTEM AND DEAD RECKONING (GPS&DR) INTEGRATED NA...
- Publication number 20100030470
- Publication date Feb 4, 2010
- O2Micro, Inc.
- James Wang
- G01 - MEASURING TESTING