Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730493 | Method for determining the state of substances containing keratin and suitable devices and means therefor | Annette Schwan-Jonczyk, Lutz Haalck, Rainer Feldbruegge | 2004-05-04 |