Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373599 | Medicament containing dental brush | William T. Evans, Robert E. Christian | 1994-12-20 |
| D350440 | Toothbrush with gum stimulator | William T. Evans, Robert E. Christian | 1994-09-13 |
| 5342284 | Soft brush gum stimulator | William T. Evans, Robert E. Christian | 1994-08-30 |
| 5276935 | Medicament containing dental brush | William T. Evans, Robert E. Christian | 1994-01-11 |