Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340027 | Extensible polishing mono-filament dental floss | Lars Jonsson | 2002-01-22 |
| 5567156 | Inlay, inlay holder, method for tooth restoration, and tooth restoration set for carrying out the method | Rolf Greven | 1996-10-22 |
| 4871311 | Improvements in a method of and a retraction cord for uncovering and draining the preparation limit line of teeth | — | 1989-10-03 |