Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4998779 | Apparatus and methodology for producing rounded brush tips | — | 1991-03-12 |
| 4635313 | Brush with self retaining bristles | Friedbert Fassler, Bobby L. Slaughter | 1987-01-13 |
| 4387479 | Interproximal toothbrush | — | 1983-06-14 |