Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858652 | Plug for an opening providing an inspection X-ray source with access to pipework or to an apparatus | Jacques Bobichon, Lucien Hervouin | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858652 | Plug for an opening providing an inspection X-ray source with access to pipework or to an apparatus | Jacques Bobichon, Lucien Hervouin | 1989-08-22 |