Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797402 | Insulated heat shield with waved edge | Frank Popielas, Calin Matias | 2004-09-28 |
| 6719301 | Spring back fire ring | Frank Popielas | 2004-04-13 |
| 6681890 | Sound barrier layer for insulated heat shield | Mark Boogemans, Calin Matias | 2004-01-27 |