Lin Jia

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
WLAN-based no-stop electronic toll collection system and the implem...
- Patent number 7,999,697
- Issue date Aug 16, 2011
- Beijing Watch Data System Co., Ltd.
- Lin Jia
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Wlan-Based No-Stop Electronic Toll Collection System and the Implem...
- Publication number 20090121898
- Publication date May 14, 2009
- Beijing Watch Data System Co., LTD.
- Lin Jia
- G07 - CHECKING-DEVICES