Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447292 | Method for the injection of a plugging mass in a tapping hole of a metallurgical reactor, such as a blast furnace | Jean-Luc Bouttement, Harold Graber, Jacques Menuge | 1995-09-05 |