Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656157 | Infinitely refillable syringe | Doug Duchon, Thomas Paulson, Jiyan Liu | 2003-12-02 |
| 6626862 | Fluid management and component detection system | Douglas Duchon, Jiyan Liu | 2003-09-30 |