Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6276019 | Toothbrush and method for making such toothbrush | Knut Olaf Leversby, Nils Terje Vestheim | 2001-08-21 |
| 6276020 | Toothbrush structure | Knut Olaf Leversby, Nils Terje Vestheim | 2001-08-21 |
| 5761759 | Toothbrush and method for making such toothbrush | Knut Olaf Leversby, Nils Terje Vestheim | 1998-06-09 |