Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987838 | Device for injecting preheated air into a shaft furnace | Pierre Mailliet, Emile Lonardi, Gustave Hoelpes | 1991-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987838 | Device for injecting preheated air into a shaft furnace | Pierre Mailliet, Emile Lonardi, Gustave Hoelpes | 1991-01-29 |