Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492707 | Method for specifically adjusting the electrical conductivity of conversion coatings | Olaf Dahlenburg, Frank Hollmann, Michael Droege, Thomas Kolberg | 2022-11-08 |
| 11124880 | Method for nickel-free phosphating metal surfaces | Olaf Dahlenburg | 2021-09-21 |
| 10738383 | Method for nickel-free phosphating metal surfaces | Olaf Dahlenburg, Frank Hollmann | 2020-08-11 |