Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7717135 | Energy attenuation device | Yungrwei Chen | 2010-05-18 |
| 7347222 | Energy attenuation device | Yungrwei Chen | 2008-03-25 |
| 7249613 | Energy attenuation device | Yungrwei Chen | 2007-07-31 |