Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165899 | Element for filtering and/or purifying hot gases, and a process for manufacturing same | Christophe Delaunay, Andre Walder | 1992-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5165899 | Element for filtering and/or purifying hot gases, and a process for manufacturing same | Christophe Delaunay, Andre Walder | 1992-11-24 |