Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257804 | Device for igniting a bed of a mixture of materials such as ore and coke | Gérard GRIFFAY | 1993-11-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257804 | Device for igniting a bed of a mixture of materials such as ore and coke | Gérard GRIFFAY | 1993-11-02 |