Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783698 | Mixtures of fluorescent whitening agents | Dieter Reinehr, Hanspeter Sauter, Werner Schreiber | 2004-08-31 |
| 6719922 | Mixtures of fluorescent whitening agents | Dieter Reinehr, Hanspeter Sauter, Werner Schreiber | 2004-04-13 |
| D487846 | Toothbrush | Hans Halm | 2004-03-30 |