Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4967457 | Arrangement for stretching thermoplastic fibers | Arnold A. Beck, Gerald Borst, Herbert Peters | 1990-11-06 |
| 4846653 | Pack of spinning nozzles for forming two component filaments having core-and-sheath structure | Arnold A. Beck | 1989-07-11 |