Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4439246 | Method of making hollow bodies under pressure from aluminum alloys | Roger Develay | 1984-03-27 |
| 4345951 | Process for the manufacture of hollow bodies made of aluminum alloy and products thus obtained | Jean Coupry | 1982-08-24 |