P

Inventor

HAMMER-OLSEN ROY

SE7 patents
⚠️ This page may combine multiple inventors who share the name “HAMMER-OLSEN ROY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EKA NOBEL AB

3 patents

AKZO NOBEL NV

1 patent

EKA NOBEL INC

1 patent

EKA CHEMICALS AB

1 patent

EKA CHEMICAL AB

1 patent