P

Inventor

SUMMERS ROBERT B

6 patents
⚠️ This page may combine multiple inventors who share the name “SUMMERS ROBERT B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BOEHRINGER MANNHEIM CORP

4 patents
US4871258AOct 3, 1989

Color test meter

BOEHRINGER MANNHEIM CORP79 citations93
USD321488SNov 12, 1991

Colorimeter

BOEHRINGER MANNHEIM CORP9 citations72
US5160980ANov 3, 1992

Test piece coloration comparative decision unit

BOEHRINGER MANNHEIM CORP10 citations71
USD318245SJul 16, 1991

Colorimeter

BOEHRINGER MANNHEIM CORP12 citations68

TERADA TAKAO

1 patent
US5011290AApr 30, 1991

Test sample color comparison device

TERADA TAKAO19 citations77

OMROM CORP

1 patent
US5160979ANov 3, 1992

Test piece coloration comparative decision unit

OMROM CORP2 citations59