Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636581 | Grate bar and grate with cooling apparatus and process for cooling | Holger Kleen, Hans Mayer | 1997-06-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5636581 | Grate bar and grate with cooling apparatus and process for cooling | Holger Kleen, Hans Mayer | 1997-06-10 |