Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356028 | Folding box with inner bag and process for manufacturing same | Wolf-Dieter Knorrich | 1994-10-18 |
| 5314088 | Cardboard packaging for liquids | Wolf-Dieter Knorrich, Joachim W. Dziallas, George Plester, Georg Troska | 1994-05-24 |
| 5275332 | Cardboard box for pourable material, in particular liquids | Michael Fuchs, Manfred Hoffmann, Peter Krekow, Thomas Rossle, Ernst Wohrle | 1994-01-04 |