Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4903839 | Stack of bags each having congruent cutouts and perforated lines | Gunter Mattiebe | 1990-02-27 |
| 4878888 | Process and apparatus for severing and subsequently stacking flat articles made of plastic film and preferably consisting of double bags | — | 1989-11-07 |