Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455609 | Fluoride-releasing amalgam dental restorative material | Fred Rueggeberg, Don Mettenburg | 2002-09-24 |
| 6440398 | Fluoride-releasing amalgam dental restorative material | Fred Rueggeberg, Don Mettenburg | 2002-08-27 |