P

Inventor

GROCH HANS-WERNER

DE3 patents
⚠️ This page may combine multiple inventors who share the name “GROCH HANS-WERNER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ESSELTE CORP

1 patent

LEITZ ACCO BRANDS GMBH & CO KG

1 patent

GROCH HANS WERNER

1 patent