Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258986 | Process for the production of dinitrotoluene | Uwe Klingler, Thomas Schieb, Dietmar Wastian, Gerhard Wiechers | 2001-07-10 |
| 5423629 | Protective element for protecting sealed tracks in trash-dump construction and method for sealing trash-dump bottoms | — | 1995-06-13 |
| 5215408 | Protective element for protecting sealed tracks in trash-dump construction and method for sealing trash-dump bottoms | — | 1993-06-01 |