Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316270 | Device for the charging of materials into a furnace and the preheating of these | Christian Lebrun, Jean-Michel Thebault, Ghislain Maurer, Jacques Michelet, Jean-Luc Roth | 1994-05-31 |