Inventor
Heinrich Cwielong
Inventor
Lunen, DE
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Cprimary
E21CMining or quarrying100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989Patents assigned to GEWERK EISENHUETTE WESTFALIA (1)· patent assignee history
1989Based in Lunen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEWERK EISENHUETTE WESTFALIA | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lunen, DE | 1 | 1989 |