Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371997 | Method of making a packaging bag having tear-open means | Willy Altermatt | 1994-12-13 |
| 5372000 | Apparatus for filling flexible bags | Willy Altermatt | 1994-12-13 |
| 5356363 | Apparatus for making flat packaging bags from a flexible sheet of synthetic material | Willy Altermatt | 1994-10-18 |