Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999474 | Gas mixture and welding method | Jean Soler, Daniel Nicoud | 1991-03-12 |
| 4885455 | Process for terminating closed through-hole plasma arc welding | Eric Verna | 1989-12-05 |