Lixin Xu

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS, DEVICES AND METHODS FOR OFFLINE COUPON VERIFICATION
- Publication number 20130138496
- Publication date May 30, 2013
- LaShou Group INC.
- Jianming JIN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEMS, DEVICES AND METHODS FOR COUPON VERIFICATION
- Publication number 20120323665
- Publication date Dec 20, 2012
- LaShou Group INC.
- Lixin Xu
- G06 - COMPUTING CALCULATING COUNTING