Xuedong Chen

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Lidcombe, AU

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for software authentication
- Patent number 7,520,811
- Issue date Apr 21, 2009
- IGT
- Steven G. LeMay
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method and apparatus for software authentication
- Patent number 7,201,662
- Issue date Apr 10, 2007
- IGT
- Steven G. LeMay
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and Apparatus for Software Authentication
- Publication number 20070149280
- Publication date Jun 28, 2007
- IGT
- Steven G. LeMay
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for software authentication
- Publication number 20030216172
- Publication date Nov 20, 2003
- Steven G. LeMay
- G06 - COMPUTING CALCULATING COUNTING