Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488880 | Method of making a gradient gel with a movable dispensing tip | Ngoc-Anh Le, Xianzhou Li, Keith Gray | 2002-12-03 |
| 6267579 | Apparatus for making a gradient gel | Xianzhou Li, Ngoc-Anh Le, Keith Gray | 2001-07-31 |