Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545860 | Battery of coke ovens and a method for repairing them | Edmond Lyskawa, Paul Roger, Jean A. Marquis | 1985-10-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545860 | Battery of coke ovens and a method for repairing them | Edmond Lyskawa, Paul Roger, Jean A. Marquis | 1985-10-08 |