Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161651 | Sack and method for producing a sack | Peter Lüttmann | 2021-11-02 |
| 8753010 | Gusseted bag with carrier handle | — | 2014-06-17 |
| 6565281 | Device for paving roadways and device for producing foamed bitumen | Walter Grueber, Siegbert Dittmann | 2003-05-20 |