RM

Roger A. Mathews

RL Redken Laboratories: 9 patents #2 of 17Top 15%
Overall (All Time): #591,443 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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