Inventor
Bernhard Kotulla
Inventor
Cologne, DE
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E02Dprimary
E02DFoundations60%
E21DShafts40%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1985Patents assigned to BAYER AG (3)· patent assignee history
1981–1985Based in Cologne, DE· patent location history
1984Patents assigned to STRABAG BAU AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 3 | 1981–1985 |
| STRABAG BAU AG | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cologne, DE | 3 | 1981–1985 |