Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398820 | Method for washing clothes, in particular working clothes | Thomas Merz, Khalil Shamayeli | 2002-06-04 |
| 6287347 | Method for washing clothes | Ralf Krack, Alfred Laufenberg, Joerg Brockhaus, Thomas Merz, Dietmar Rossner | 2001-09-11 |