Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446690 | Antislipping device | Werner Deger, Thilo Ernst Schaffert, Eugen Liesch | 2002-09-10 |
| 6415838 | Anti-skid device | Werner Deger, Thilo Ernst Schaffert, Eugen Liesch | 2002-07-09 |
| 6412821 | Device for the vacuum-tight connecting of two bodies of different materials | Winfried Schulmann, Udo Wenske | 2002-07-02 |