Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8501206 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Gisela Hahn, Klaus Weber | 2013-08-06 |
| 8197833 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Gisela Hahn, Klaus Weber | 2012-06-12 |
| 7537776 | Liquid concentrate for preserving cosmetics | Wolfgang Beilfuss, Gisela Hahn, Klaus Weber | 2009-05-26 |