Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515660 | Apparatus for removing charging hole covers and for cleaning sealing surfaces in a coke oven | Hans-Jurgen Kwasnik, Hans-Gunter Piduch | 1985-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515660 | Apparatus for removing charging hole covers and for cleaning sealing surfaces in a coke oven | Hans-Jurgen Kwasnik, Hans-Gunter Piduch | 1985-05-07 |