Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854021 | Stufferbox crimper and process for preparing crimped synthetic fibers | Ulrich Reinehr, Christian Pieper, Hermann-Josef Jungverdorben, Jakob Breuer | 1989-08-08 |
| 4842793 | Process for wetting thread bundles with liquids | Ulrich Reinehr, Joachim Dross, Hermann-Josef Jungverdorben | 1989-06-27 |
| 4804511 | Process for dry spinning yarns of improved uniformity and reduced adhesion | Christian Pieper, Hans K. Burghartz, Norbert Rink | 1989-02-14 |