Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8448651 | Hair care device | Katja Honnefeller, Christine Bachmann, Juergen Seng, Michael Kloeppel-Riech, Phong Duy Vu | 2013-05-28 |
| 8232505 | Hair-styling device with guide | Sebastian Hottenrott, Duy Phong Vu | 2012-07-31 |