Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945536 | Method and system for recovering a previous version of a document from a current version of the document | Hongqing Bao, Qian Sun, Yang Zhao, Linyi Tian | 2011-05-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945536 | Method and system for recovering a previous version of a document from a current version of the document | Hongqing Bao, Qian Sun, Yang Zhao, Linyi Tian | 2011-05-17 |