Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5221374 | Process for using agent for improving the hydrogen cracking resistance of low or intermediate-alloy steels, and pieces obtained | Jean Beguinot, Philippe Bourges, Lionel Coudreuse, Gilbert Primon, Jacques Charles | 1993-06-22 |