Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4753660 | Method for the production of a coal suspension | Hans Kellerwessel, Hans-H. Gildemeister, Jurek Golda, Gerhard Keichel | 1988-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4753660 | Method for the production of a coal suspension | Hans Kellerwessel, Hans-H. Gildemeister, Jurek Golda, Gerhard Keichel | 1988-06-28 |