skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : GESTERMANN, SVEN
Total Assignments: 4
Assignment: 1
Reel/Frame:013763/0163   Pages: 2
Recorded: 02/19/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GESTERMANN, SVEN
Exec Dt:
12/02/2002
2
ULRICH, RALPH
Exec Dt:
12/04/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6916901
US20030125506
10289637
Correspondence name and address
BAYER CORPORATION
JOHN E. MROZINSKI, JR.
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:026751/0567   Pages: 8
Recorded: 08/15/2011
Attorney Dkt #:15778-00385
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
07/08/2011
2
STOLLWERCK, GUNTHER
Exec Dt:
07/13/2011
3
GESTERMANN, SVEN
Exec Dt:
07/18/2011
4
HORN, KLAUS
Exec Dt:
07/20/2011
5
BERSTENHORST, BIRGIT MEYER ZU
Exec Dt:
07/22/2011
6
REICHENAUER, JOERG
Exec Dt:
07/07/2011
7
SCAGNELLI, ANDREA
Exec Dt:
07/04/2011
8
MALVESTITI, GIANMARIA
Exec Dt:
07/04/2011
9
TIRONI, MASSIMO
Exec Dt:
07/04/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110293921
13104197
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 3
Reel/Frame:034062/0859   Pages: 8
Recorded: 10/29/2014
Attorney Dkt #:074033-0385-01-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
07/08/2011
2
STOLLWERCK, GUNTHER
Exec Dt:
07/13/2011
3
GESTERMANN, SVEN
Exec Dt:
07/18/2011
4
HORN, KLAUS
Exec Dt:
07/20/2011
5
MEYER ZU BERSTENHORST, BIRGIT
Exec Dt:
07/22/2011
6
REICHENAUER, JOERG
Exec Dt:
07/07/2011
7
SCAGNELLI, ANDREA
Exec Dt:
07/04/2011
8
MALVESTITI, GIANMARIA
Exec Dt:
07/04/2011
9
TIRONI, MASSIMO
Exec Dt:
07/04/2011
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9605129
US20150050484
14527222
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 4
Reel/Frame:044637/0311   Pages: 8
Recorded: 01/17/2018
Attorney Dkt #:074023-0774-US-572808
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABLOWITZ, HANS GEORG
Exec Dt:
12/13/2017
2
PROSS, ALEXANDER
Exec Dt:
12/19/2017
3
WITKOWSKI, REINER
Exec Dt:
12/19/2017
4
BREUER, HOLGER
Exec Dt:
12/28/2017
5
GESTERMANN, SVEN
Exec Dt:
12/19/2017
6
HAHN, CHRISTIAN JOACHIM
Exec Dt:
12/19/2017
7
SCHUBERT, STEPHAN
Exec Dt:
12/19/2017
8
RITTER, JOACHIM
Exec Dt:
12/20/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10752727
NONE
15743342
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, 19801-1621 UNITED STATES

Search Results as of: 06/19/2024 05:39 PM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT