P

Inventor

SEIFFARTH STEFFEN

DE6 patents
⚠️ This page may combine multiple inventors who share the name “SEIFFARTH STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHMIDT MARKUS

3 patents

ESSELTE CORP

1 patent

ESSELTE LEITZ GMBH & CO KG

1 patent

SEIFFARTH STEFFEN

1 patent