Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840828 | Structural element formed of a resin-hardened velour fabric and fabrication method | Wolfgang Bottger, Werner Pensel | 1989-06-20 |
| 4818580 | Housing component part made of a laminated multi-layered woven laminate | Wolfgang Bottger | 1989-04-04 |