Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858809 | Conveying of filament bundles over long conveying sections | Peter Schmitz-Bastian, Wolfram Wagner, Gunter Bieber | 1989-08-22 |
| 4854020 | Process for treatment of filament cable | Wolfram Wagner, Peter Widder | 1989-08-08 |
| 4794751 | Sealing of apparatus with continuous product transport | Wolfram Wagner, Peter-Roger Nyssen, Dirk Berkenhaus, Siegfried Kulisch | 1989-01-03 |