Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840022 | Process and device for the servicing of work stations of spinning or doubling machines by means of a plurality of service units capable of travelling alongside the work stations | Rupert Karl | 1989-06-20 |
| 4838778 | Coextrusion head | Wilhelm Neubauer, Hans-Joergen Beyer, Harald Pohl | 1989-06-13 |