Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361468 | Flue housing for a coke oven | Franz Josef Schäfer | 1982-11-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361468 | Flue housing for a coke oven | Franz Josef Schäfer | 1982-11-30 |