Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876311 | Opaque synthetic resins | Jurgen Hennig, Manfred Munzer | 1989-10-24 |
| 4859392 | Process and device for the production of plastic films | — | 1989-08-22 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876311 | Opaque synthetic resins | Jurgen Hennig, Manfred Munzer | 1989-10-24 |
| 4859392 | Process and device for the production of plastic films | — | 1989-08-22 |