P

Inventor

HANS STEPHAN

DE23 patents
⚠️ This page may combine multiple inventors who share the name “HANS STEPHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEGUSSA

12 patents

EVONIK DEGUSSA GMBH

6 patents

RETH ALEXANDER

3 patents

(unassigned)

1 patent

HANS STEPHAN

1 patent