Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461925 | Assessment of damage in keratin fibers | Nghi Van Nguyen, David W. Cannell | 1995-10-31 |
| 5047233 | Hair-waving process | Edward R. Moore, David W. Cannell | 1991-09-10 |
| 4972718 | Assessment of damage in keratin fibers | Hayel Said, LeRoy Hunter | 1990-11-27 |
| 4963349 | Permanent wave solution | Edward R. Moore, David W. Cannell | 1990-10-16 |
| 4840791 | Hair-waving process | Edward R. Moore, David W. Cannell | 1989-06-20 |
| 4816246 | Permanent wave composition | Edward R. Moore, David W. Cannell | 1989-03-28 |
| 4814351 | Scalp treatment | David W. Cannell | 1989-03-21 |
| 4793992 | Hair treatment composition | Edward R. Moore, David W. Cannell | 1988-12-27 |
| 4635654 | Method for evaluating efficacy of a hair styling product | David W. Cannell | 1987-01-13 |