Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497458 | Bristle for a toothbrush | Scott Batson, Ahmet Firatli, Rainer Hans, Norbert Schaefer, Armin Schwarz-Hartmann +2 more | 2002-12-24 |
| 6475553 | Method of manufacturing a textured toothbrush bristle | Gordon Gerald Guay, Ahmet Firatli, Norbert Schaefer, Armin Schwarz-Hartmann, Rainer Hans | 2002-11-05 |