Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987545 | Method and device for cleaning teeth | Alexander Hilscher, Hansjorg Reick, Armin Schwarz-Hartmann, Peter Trawinski, Martin Stratmann +1 more | 2011-08-02 |
| 7985073 | Method and device for cleaning teeth | Alexander Hilscher, Hansjorg Reick, Armin Schwarz-Hartmann, Peter Trawinski, Martin Stratmann +1 more | 2011-07-26 |
| 7861349 | Method and device for cleaning teeth | Alexander Hilscher, Hansjorg Reick, Armin Schwarz-Hartmann, Peter Trawinski, Martin Stratmann +1 more | 2011-01-04 |