Patent Assignment
Reel/Frame 012710/0557
Assignment of Assignor's Interest
Recorded: 2002-03-22
Pages: 2
Assignor
ABEL, DIRK
Executed: 2002-01-25
Assignee
DBT AUTOMATION GMBH
RELLINGHAUSER STR. 1, ESSEN, D-451, GERMANY
Covered Property
(1)
Method and a Device for Detecting the Presence of Personnel in Underground Mining
Patent:
6,512,312 →
Application:
09/612,827 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 30, 2000
From: HERKENRATH, PETER; RICHTER, BERNHARD
To: DBT AUTOMATION GMBH
Reel/Frame 011211/0694 →
Merger
Jan 9, 2006
From: DBT AUTOMATION GMBH
To: DBT GMBH
Reel/Frame 017435/0681 →
Change of Name
Apr 1, 2014
From: DBT GMBH
To: BUCYRUS DBT EUROPE GMBH
Reel/Frame 032588/0478 →
Change of Name
Apr 4, 2014
From: BUCYRUS DBT EUROPE GMBH
To: BUCYRUS EUROPE GMBH
Reel/Frame 032607/0447 →
Change of Name
Apr 7, 2014
From: BUCYRUS EUROPE GMBH
To: CATERPILLAR GLOBAL MINING EUROPE GMBH
Reel/Frame 032621/0612 →