Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673463 | Method for extracting charging gases in coke oven chambers | Hans-Gunter Piduch | 1987-06-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673463 | Method for extracting charging gases in coke oven chambers | Hans-Gunter Piduch | 1987-06-16 |