Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059034 | Carrier bag | Gunter Schulz | 1991-10-22 |
| 4995930 | Process for the production of a film combination | Winfried Merz | 1991-02-26 |
| 4797246 | Continuous manufacture of a perforated plastic film | Dietmar Reinke | 1989-01-10 |
| 4248822 | Process and apparatus for producing a moisture-permeable film | — | 1981-02-03 |