Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7772525 | Ceramic igniters | Suresh Annavarapu | 2010-08-10 |
| 7217332 | Brush filament bundles and preparation thereof | William Brown, Joseph Allan DePuydt, Daniel Portman | 2007-05-15 |
| 6852262 | Insert molding razor cartridges | William Brown, William C. Carson, III, Alexander Chenvainu, Thomas A. Christman, Kenneth E. Johnson +3 more | 2005-02-08 |
| 6839968 | Shaving systems | William Brown, William C. Carson, III, Alexander Chenvainu, Thomas A. Christman, Kenneth E. Johnson +3 more | 2005-01-11 |
| 6497458 | Bristle for a toothbrush | Scott Batson, Georges Driesen, Ahmet Firatli, Rainer Hans, Norbert Schaefer +2 more | 2002-12-24 |
| 6327736 | Bristle for a toothbrush | Norbert Schaefer, Armin Schwarz-Hartmann, Mingchih M. Tseng, Scott Batson, Georges Driesen +2 more | 2001-12-11 |