P

Inventor

OSSWALD STEFFEN

DE14 patents
⚠️ This page may combine multiple inventors who share the name “OSSWALD STEFFEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EVONIK DEGUSSA GMBH

3 patents

EVONIK OPERATIONS GMBH

3 patents

HINTERKOPF GMBH

3 patents

DEGUSSA

2 patents

EVONIK INDUSTRIES AG

1 patent

EVONIK TECHNOCHEMIE GMBH

1 patent

WEBER JOACHIM

1 patent