Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9364403 | Hair treatment methods | David Malcolm Lewis, John Mama | 2016-06-14 |
| 9320695 | Hair treatment methods | David Malcolm Lewis, John Mama | 2016-04-26 |
| 9168396 | Composition and method | David Malcolm Lewis, Celine Gauche | 2015-10-27 |
| 8999301 | Bleaching methods and compositions | Celine Gauche, David Malcolm Lewis | 2015-04-07 |
| 8853106 | Phosphorus-contaning flame-retardant compositions | Paul Webb, David Malcolm Lewis, Andrew Bayliff | 2014-10-07 |
| 8551371 | Method and composition | Paul Webb, David Malcolm Lewis, Andrew Bayliff | 2013-10-08 |
| 8277519 | Hair treatment methods | Celine Gauche, David Malcolm Lewis | 2012-10-02 |
| 8268013 | Hair treatment composition and methods | David Malcolm Lewis, Celine Gauche | 2012-09-18 |
| 8016895 | Hair treatment composition and methods | David Malcolm Lewis, Celine Gauche | 2011-09-13 |
| 7159333 | Use of percarbamic acids and diacyl percarbamates and precursors therefor | David Malcolm Lewis, Jiming Yao, Jerry S. Knapp | 2007-01-09 |