Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231846 | Plug for protecting coke-oven chamber doors from the action of the internal temperature in the oven | Hans-Ulrich Oldengott | 1980-11-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231846 | Plug for protecting coke-oven chamber doors from the action of the internal temperature in the oven | Hans-Ulrich Oldengott | 1980-11-04 |