Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6142856 | Sharpening device for dental instruments | — | 2000-11-07 |
| 5318445 | Process and instrument for dental treatment | Peter Meier, Andre Schwander | 1994-06-07 |
| 5158457 | Dental process and instrument for polishing roots of teeth | Peter Meier, Andre Schwander | 1992-10-27 |
| 4979899 | Scaler for cleaning teeth | Erwin Hartmann | 1990-12-25 |
| 4854080 | Apparatus for sharpening periodontal instruments | Erwin Hartmann, Peter Reinhard | 1989-08-08 |
| 4820153 | Process and apparatus for cleaning a tooth | Erwin Hartmann, Peter Reinhard | 1989-04-11 |
| 4820154 | Dental instrument with a tool for treating the teeth | Erwin Hartmann, Peter Reinhard | 1989-04-11 |