Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9889974 | Container seal for the storage of dangerous liquid material | Birger Keilberg, Manfred Hubert | 2018-02-13 |
| 8955712 | Container having a relockable lid provided with a resilient ring | Manfred Hubert | 2015-02-17 |
| 8657150 | Closure seal for a container for storing dangerous liquid material | Birger Keilberg, Manfred Hubert | 2014-02-25 |