Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12059865 | Production of paper sticks | Robert Prager, Roland Hülkenberg | 2024-08-13 |
| 11254081 | Paper profile and use of a paper profile | Steffen Grasse, Roland Hülkenberg, Franz Jochem | 2022-02-22 |