Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656200 | Foaming emulsions | Axel Boettcher, Werner Seipel, Holger Tesmann | 1997-08-12 |
| 5609167 | Acidic hair care preparations | Dagmar Stuhrmann, Oriol Ponsati Obiols, Esther Prat Queralt | 1997-03-11 |