P

Inventor

MINNIS RALPH L

US12 patents
⚠️ This page may combine multiple inventors who share the name “MINNIS RALPH L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DESOTO INC

7 patents

COMMW EDISON CO

3 patents

ROHM & HAAS

1 patent

BETZDEARBORN INC

1 patent