Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7744360 | Process for making toothbrushes | Winfried Ebner, Hans Kraemer, Berthold Meyer | 2010-06-29 |
| 6919038 | Method of producing thick-walled brushes, in particular toothbrushes | Berthold Meyer, Armin Seifert | 2005-07-19 |