Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402865 | Multilayered polymers and foams with variable sized interlayer gaps | Zhiyi Zhang | 2002-06-11 |
| 6391934 | Manufacturing foams by stress-induced nucleation | Zhiyi Zhang | 2002-05-21 |