Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32832 | Temporary obturation panel of a passage inside a vessel accessible only through an orifice of smaller size | Jean Coussau | 1989-01-17 |
| 4600115 | Temporary obturation panel of a passage inside a vessel accessible only through an orifice of smaller size | Jean Coussau | 1986-07-15 |