Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12296499 | Method for producing a veneered board | Norbert Kalwa | 2025-05-13 |
| 11072087 | Wooden material panel, in particular in the form of a wood-plastic composite material, and a method for producing the same | Norbert Kalwa, Ingo Lehnhoff | 2021-07-27 |
| 10369721 | Wooden material panel, in particular in the form of a wood-plastic composite material, and a method for producing the same | Norbert Kalwa, Ingo Lehnhoff | 2019-08-06 |