| 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 |
| 5234009 |
Toothpick |
William T. Evans, Robert E. Christian, John Harlan Peterson, Jr., Jane L. Jones |
1993-08-10 |
| 5205302 |
Soft brush gum stimulator |
William T. Evans, Robert E. Christian |
1993-04-27 |
| D334842 |
Triple head toothbrush |
William T. Evans, Robert E. Christian |
1993-04-20 |
| 5112226 |
Constant pressure periodontal probe |
William T. Evans, Robert E. Christian, Herbert Bader |
1992-05-12 |
| 5109563 |
Soft brush gum stimulator |
William T. Evans, Robert E. Christian |
1992-05-05 |
| 5090902 |
Multi-measurment periodontal probe |
William T. Evans, Robert E. Christian, Herbert J. Bader |
1992-02-25 |
| 5078158 |
Brush head with a shaped bottom plate |
William T. Evans, Robert E. Christian |
1992-01-07 |