Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8484013 | Interactive conversation-learning system and a method thereof | Chen-Sung Chang | 2013-07-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8484013 | Interactive conversation-learning system and a method thereof | Chen-Sung Chang | 2013-07-09 |