Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371752 | Plastic bag with overpressure relief | Jürgen Heinemeier, Burkhard Lückmann | 2013-02-12 |
| 7927015 | Plastic bag with overpressure relief | Jürgen Heinemeier, Burkhard Lückmann | 2011-04-19 |