Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5480697 | Structural part based on a sandwich fabric | Wolfgang Bottger | 1996-01-02 |
| 5240533 | Method of fabricating a structural element formed of a resin-hardened velour fabric | Wolfgang Bottger, Kurt Biedermann | 1993-08-31 |
| RE33923 | Structural element formed of a resin-hardened velour fabric and fabrication method | Wolfgang Bottger, Kurt Biedermann | 1992-05-12 |
| 4840828 | Structural element formed of a resin-hardened velour fabric and fabrication method | Wolfgang Bottger, Kurt Biedermann | 1989-06-20 |