Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810490 | Sunscreen composition | Richard P. Dixon | 1989-03-07 |
| 4692329 | Erythromycin/benzoyl peroxide antiacne compositions | Robert W. Klein | 1987-09-08 |
| 4497794 | Erythromycin/benzoyl peroxide composition for the treatment of acne | Robert W. Klein | 1985-02-05 |
| 4387107 | Stable benzoyl peroxide composition | Robert W. Klein | 1983-06-07 |