Inventor

EVANS JR ROY M

US5 patents

⚠️ This page may combine multiple inventors who share the name “EVANS JR ROY M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PREEMPTIVE ADVERTISING INC

2 patents

US5560750AOct 1, 1996

Compositions and methods for altering the color of hair

PREEMPTIVE ADVERTISING INC52 citations89

US5415856AMay 16, 1995

Hair treatment compositions containing disaccharides

PREEMPTIVE ADVERTISING INC14 citations70

EVANS JR ROY M

1 patent

US5639451AJun 17, 1997

Hair treatment compositions

EVANS JR ROY M26 citations87

CREWS HAROLD R

1 patent

US5101841AApr 7, 1992

Compositions and methods for the treatment of hair

CREWS HAROLD R27 citations87

PREEMPTIVE MARKETING INC

1 patent

US4947878AAug 14, 1990

Compositions and methods for the treatment of hair

PREEMPTIVE MARKETING INC26 citations87