Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371997 | Method of making a packaging bag having tear-open means | Georg Kopp | 1994-12-13 |
| 5372000 | Apparatus for filling flexible bags | Georg Kopp | 1994-12-13 |
| 5356363 | Apparatus for making flat packaging bags from a flexible sheet of synthetic material | Georg Kopp | 1994-10-18 |
| 5222813 | Packaging bag having tear-open means | Georg Kopp | 1993-06-29 |