Patent Assignment
Reel/Frame 028977/0709
Assignment of Assignor's Interest
Recorded: 2012-09-18
Pages: 2
Assignors
KIRCHHOFF, JOERG, DR.
Executed: 2012-06-01
KOENIG, THOMAS, DR.
Executed: 2012-05-23
BIERDEL, MICHAEL, DR.
Executed: 2012-05-23
LIESENFELDER, ULRICH
Executed: 2012-05-24
Assignee
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10, MONHEIM, 40789, GERMANY
Covered Property
(1)
Screw Feed Elements for Extrusion of Viscoelastic Masses
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 9, 2016
From: BAYER INTELLECTUAL PROPERTY GMBH
To: BAYER MATERIALSCIENCE AG
Reel/Frame 038045/0298 →
Change of Name
Mar 21, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038188/0842 →
Change of Name
Apr 6, 2016
From: BAYER MATERIALSCIENCE AG
To: COVESTRO DEUTSCHLAND AG
Reel/Frame 038365/0392 →