Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919038 | Method of producing thick-walled brushes, in particular toothbrushes | Berthold Meyer, Andreas Walgenbach | 2005-07-19 |
| 6808236 | Method for producing brushes and apparatus for performing said method | Andreas Lanvers, Erwin Buchholz | 2004-10-26 |
| 6374448 | Toothbrush | — | 2002-04-23 |