Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9459385 | Film and method for producing same | Ludwig Brehm, Dieter Geim | 2016-10-04 |
| 8932425 | Method for decorating surfaces | Norbert Lutz, Walter Kurz, Ludwig Brehm | 2015-01-13 |