Inventor
Willi Ziegenbein
Inventor
Marl, DE
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981Patents assigned to HUELS CHEMISCHE WERKE AG (1)· patent assignee history
1981Based in Marl, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUELS CHEMISCHE WERKE AG | 1 | 1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marl, DE | 1 | 1981 |