Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6161244 | Toothbrush | Robert Leutwyler, Werner Leutwyler | 2000-12-19 |
| D421339 | Toothbrush | Robert Leutwyler, Werner Leutwyler | 2000-03-07 |
| D414609 | Toothbrush having an indicator | Robert Leutwyler, Werner Leutwyler | 1999-10-05 |
| D414340 | Toothbrush having an indicator | Robert Leutwyler, Werner Leutwyler | 1999-09-28 |
| D402470 | Toothbrush having an indicator | Robert Leutwyler, Werner Leutwyler | 1998-12-15 |
| D396349 | Toothbrush | Robert Leutwyler, Werner Leutwyler | 1998-07-28 |
| 5707166 | Toothbrush | Robert Leutwyler, Werner Leutwyler | 1998-01-13 |
| 5564152 | Toothbrush | Robert Leutwyler, Werner Leutwyler | 1996-10-15 |
| 5377830 | Brushead magazine for toothbrushes | Robert Leutwyler, Werner Leutwyler | 1995-01-03 |
| 5301821 | Holder for a body grooming tool | Robert Leutwyler, Werner Leutwyler | 1994-04-12 |