Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710571 | 1H-imidazol-1-ethanol esters | Petrus S. Hofman, David W. Hall | 1987-12-01 |
| 4563473 | Compositions and method for inhibition of sebum synthesis | Petrus S. Hofman, David W. Hall | 1986-01-07 |