Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407245 | Process and device for reducing the drag in the rear region of a vehicle, for example, a road or rail vehicle or the like | — | 1995-04-18 |
| 4758260 | Process and device for producing granulated slag sand from blast furnace slag | Karl Wiedemer, Konrad Muller | 1988-07-19 |