Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472224 | Apparatus for the refinement of a panel | Norbert Kalwa | 2022-10-18 |
| 11292291 | Method for the production of grounded panels and panel | Norbert Kalwa | 2022-04-05 |
| 11220130 | Method for finishing a large-size supplied building panel | Frank Oldorff, Ingo Lehnhoff, Norbert Kalwa, Rüdiger Klupsch | 2022-01-11 |