Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854021 | Stufferbox crimper and process for preparing crimped synthetic fibers | Ulrich Reinehr, Christian Pieper, Rolf-Burkhard Hirsch, Hermann-Josef Jungverdorben | 1989-08-08 |