Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9339449 | Shampoo preparations | Franciscus Johannes Marie Derks, Stephen Foster, Robert Y. Lochhead, Dirk Weber | 2016-05-17 |
| 8597625 | Volume up shampoos II | Franciscus Derks, Stephen Foster, Robert Y. Lochhead, Dirk Weber | 2013-12-03 |