Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213792 | Storage-stable pearlescent hair-conditioning compositions | Gunther Lang, Paul Gross | 1993-05-25 |
| 4777039 | Pearlescent hair conditioning composition | Gunther Lang, Paul Gross, Friedel Schroder | 1988-10-11 |