Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5023075 | Microfine cosmetic powder comprising polymers, silicone, and lecithin | Ralph Macchio, Julio G. Russ, Mariene Tietjen | 1991-06-11 |
| 4988503 | Oil-in-water emulsions for foundation makeup composition | Ralph Macchio, Julio G. Russ | 1991-01-29 |