Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883259 | Apparatus for coupling a metallurgical ladle to a gas supply | Jean-Pierre Barthel, Albert Feitler, Fred Parasch | 1989-11-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883259 | Apparatus for coupling a metallurgical ladle to a gas supply | Jean-Pierre Barthel, Albert Feitler, Fred Parasch | 1989-11-28 |