Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847035 | Process for the production of non-woven material from endless filaments | Gerhard Knitsch | 1989-07-11 |
| 4818465 | Process for the production of shaped plastic elements | — | 1989-04-04 |
| 4818466 | Process for the production of non-woven material from endless filaments | Gerhard Knitsch | 1989-04-04 |