Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848438 | Internal combustion engine exhaust device and method for making same | Patrick Francois Markiewski, Alain Pierdet | 2005-02-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6848438 | Internal combustion engine exhaust device and method for making same | Patrick Francois Markiewski, Alain Pierdet | 2005-02-01 |