Inventor

Bernhard Kotulla

Inventor
Cologne, DE

Overview

3→
Patents
1981–1985
Patent span
Fixed constructions
Primary field (CPC E)

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
AssigneePatentsSpan
BAYER AG31981–1985
STRABAG BAU AG11984
Locations
LocationPatentsSpan
Cologne, DE31981–1985