Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431673 | Cosmetic compositions | Eustace Fotiu, Marlene Tietjen, Kalyan K. Basak | 1984-02-14 |
| 4413921 | Cosmetic pencil having a sharpenable polyethylene casing | Eustace Fotiu, Marlene Tietjen, Philip Rosenblum | 1983-11-08 |