Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918999 | Device and method for sealing levelling door aperture of a coke oven chamber | Hans-Josef Giertz, Friedrich-Wilhelm Cyris, Franz Liesewitz | 2005-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6918999 | Device and method for sealing levelling door aperture of a coke oven chamber | Hans-Josef Giertz, Friedrich-Wilhelm Cyris, Franz Liesewitz | 2005-07-19 |