Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701644 | Method for producing self-crimping polymer bi-component fibers | Werner Stibal, Gunther Schaech, Rainer Straub, Gerhard Schmidt | 1997-12-30 |
| 5656719 | Condensation injection molding process for producing bottle preforms of polyethylene terephthalate and/or its copolyesters and resultant preforms | Werner Stibal, Joachim Ensinger, Klaus Nothhelfer | 1997-08-12 |