Inventor · disambiguated record
Roger A. Mathews
Also filed as: MATHEWS ROGER A
9 granted patents·155 citations·filing 1985–1994
89Inventor score
Files withREDKEN LABORATORIES INC9
Top patents by PatentIndex Score
9 records- 0175US4814351AScalp treatmentREDKEN LABORATORIES INC·Filed 1987·Granted Mar 21, 1989·38 cites·11 claims
- 0265US4793992AHair treatment compositionREDKEN LABORATORIES INC·Filed 1987·Granted Dec 27, 1988·30 cites·19 claims
- 0363US5461925AAssessment of damage in keratin fibersREDKEN LABORATORIES INC·Filed 1994·Granted Oct 31, 1995·25 cites·44 claims
- 0452US4972718AAssessment of damage in keratin fibersREDKEN LABORATORIES INC·Filed 1990·Granted Nov 27, 1990·18 cites·20 claims
- 0549US4840791AHair-waving processREDKEN LABORATORIES INC·Filed 1985·Granted Jun 20, 1989·15 cites·2 claims
- 0643US4816246APermanent wave compositionREDKEN LABORATORIES INC·Filed 1987·Granted Mar 28, 1989·9 cites·32 claims
- 0742US4963349APermanent wave solutionREDKEN LABORATORIES INC·Filed 1988·Granted Oct 16, 1990·8 cites·21 claims
- 0838US4635654AMethod for evaluating efficacy of a hair styling productREDKEN LABORATORIES INC·Filed 1985·Granted Jan 13, 1987·9 cites·24 claims
- 0933US5047233AHair-waving processREDKEN LABORATORIES INC·Filed 1989·Granted Sep 10, 1991·3 cites·6 claims
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