Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848594 | Method and a device for contamination free access to the contents of a packaging container | Carl-Axel Bjorkengren, Per-Stefan Gersbro | 1989-07-18 |
| 4811855 | Container closure | Stefan Gersbro, Jan-Olof Fransson | 1989-03-14 |
| 4811957 | Device for accomplishing at least a liquid tight joint and a method for manufacturing such a device | Per-Stefan Gersbro, Jan-Olof Fransson | 1989-03-14 |