Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797402 | Insulated heat shield with waved edge | Colin Chen, Frank Popielas | 2004-09-28 |
| 6681890 | Sound barrier layer for insulated heat shield | Colin Chen, Mark Boogemans | 2004-01-27 |