Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566472 | Apparatus for applying a color medium to hair | Siegfried Mueller | 1986-01-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4566472 | Apparatus for applying a color medium to hair | Siegfried Mueller | 1986-01-28 |