Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501937 | Learning method and system based on questioning | Peter P. Tong | 2002-12-31 |
| 6498921 | Method and system to answer a natural-language question | Peter P. Tong | 2002-12-24 |
| 6480698 | Learning method and system based on questioning | Peter P. Tong | 2002-11-12 |
| 6398556 | Inexpensive computer-aided learning methods and apparatus for learners | John P. Del Favero, Jr., Peter P. Tong | 2002-06-04 |
| 6336029 | Method and system for providing information in response to questions | Peter P. Tong | 2002-01-01 |