Issued Patents 1989
Showing 1–1 of 1 patents
| 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 |
Showing 1–1 of 1 patents
| 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 |