Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8675956 | Method and system for verifying making time of a file by computer | Haishan Zhang, Yanjun Guan | 2014-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8675956 | Method and system for verifying making time of a file by computer | Haishan Zhang, Yanjun Guan | 2014-03-18 |