Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303722 | Apparatus for bleaching hair under the influence of light | Robin E. Godfrey, Thomas Clausen | 1994-04-19 |
| 5279313 | Two component composition and method for bleaching hair | Thomas Clausen | 1994-01-18 |