Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609484 | Apparatus for illustrating and determining quantity of hair pigment concentrate to achieve desired hair colour | — | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609484 | Apparatus for illustrating and determining quantity of hair pigment concentrate to achieve desired hair colour | — | 1997-03-11 |