Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379008 | Method and apparatus for sealing cardboard containers | Helmut Gross | 1983-04-05 |
| 4368095 | Heating device for blank-shaping apparatus | Helmut Gross | 1983-01-11 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379008 | Method and apparatus for sealing cardboard containers | Helmut Gross | 1983-04-05 |
| 4368095 | Heating device for blank-shaping apparatus | Helmut Gross | 1983-01-11 |