Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223931 | Closure end made of sheet | Lutz Strube, Dieter Heinecke | 2001-05-01 |
| 5987956 | Process for further treating a closure end made of sheet | Lutz Strube, Dieter Heinecke | 1999-11-23 |
| 5832770 | Process for further treating a closure end made of sheet | Lutz Strube, Dieter Heinecke | 1998-11-10 |
| 4690297 | Opening means for oblong cans | Wolfgang Peter, Johann Bergsteiner, Gunter Berschiek, Wolfgang Drobe, Fritz Engelke +3 more | 1987-09-01 |
| 4593834 | Opening means for oblong cans | Wolfgang Peter, Heinz Hacke, Jurgen Luhr, Johann Bergsteiner, Wolfgang Drobe +3 more | 1986-06-10 |