Inventor

Heinrich Cwielong

Inventor
Lunen, DE

Overview

1→
Patents
1989
Patent span
Fixed constructions
Primary field (CPC E)

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
AssigneePatentsSpan
GEWERK EISENHUETTE WESTFALIA11989
Locations
LocationPatentsSpan
Lunen, DE11989