Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432052 | health examination card for family use and it's interpreter | Chongde Yao, Zhong Li | 2002-08-13 |
| 6415252 | Method and apparatus for coding and decoding speech | James P. Ashley | 2002-07-02 |