Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661880 | Method and apparatus for producing a multifilament yarn by a spin-draw process | Heinz Schippers | 1997-09-02 |
| 5637331 | Spin system for thermoplastic yarns | Egon Gathmann | 1997-06-10 |