Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11648191 | Method and composition for colouring an eyebrow comprising an organic acid | Sarah Elizabeth Lucas, David Malcolm Lewis | 2023-05-16 |
| 11458086 | Method and composition | David Malcolm Lewis, Sarah Elizabeth Lucas | 2022-10-04 |
| 9364403 | Hair treatment methods | Jamie Anthony Hawkes, David Malcolm Lewis | 2016-06-14 |
| 9320695 | Hair treatment methods | Jamie Anthony Hawkes, David Malcolm Lewis | 2016-04-26 |
| 7153350 | Water soluble colorants for ink jet printing | Judith D. Auslander, John Griffiths | 2006-12-26 |
| 6793723 | Homogeneous photosensitive optically variable ink compositions for ink jet printing | Judith D. Auslander, John Griffiths | 2004-09-21 |
| 6458966 | Dye intermediate and method | John Griffiths, Valerie Millar, Mark Samuel Jonathan Briggs, Alan Hamilton | 2002-10-01 |