Patent Assignment
Reel/Frame 025474/0481
Assignment of Assignor's Interest
Recorded: 2010-12-13
Pages: 3
Assignors
BIERDEL, MICHAEL, DR.
Executed: 2010-10-26
KOENIG, THOMAS, DR.
Executed: 2010-10-26
LIESENFELDER, ULRICH
Executed: 2010-10-26
Assignee
BAYER TECHNOLOGY SERVICES GMBH
LAW AND PATENTS, PATENTS AND LICENSING, LEVERKUSEN, 51368, GERMANY
Covered Property
(1)
Screw Elements with Reduced Sweep Angle
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 5, 2013
From: BAYER TECHNOLOGY SERVICES GMBH
To: BAYER INTELLECTUAL PROPERTY GMBH
Reel/Frame 031157/0347 →
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 038370/0892 →