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 : DUGAL, MARKUS
Total Assignments: 17
Assignment: 1
Reel/Frame:013159/0062   Pages: 3
Recorded: 08/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
METZ, GUNTER
Exec Dt:
06/19/2002
2
GLUCK, OLAF
Exec Dt:
06/28/2002
3
ORZESEK, HOLGER
Exec Dt:
07/03/2002
4
VENZ, MICHAEL
Exec Dt:
07/08/2002
5
WEGENER, GERHARD
Exec Dt:
07/08/2002
6
DUGAL, MARKUS
Exec Dt:
07/08/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030077206
10128932
Correspondence name and address
BAYER CORPORATION
LYNDANNE M. WHALEN
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Assignment: 2
Reel/Frame:013837/0247   Pages: 2
Recorded: 02/21/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JANSEN, URSULA
Exec Dt:
01/14/2003
2
WEGNER, ANDREAS
Exec Dt:
01/28/2003
3
DUGAL, MARKUS
Exec Dt:
01/23/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030187283
10372360
Correspondence name and address
BAYER POLYMERS LLC
DONNA J. VEATCH
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURG, PA 15205-9741
Assignment: 3
Reel/Frame:013885/0138   Pages: 2
Recorded: 03/25/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEISBECK, MARKUS
Exec Dt:
02/25/2003
2
HEINEN, MARIE-THERESE
Exec Dt:
03/05/2003
3
SCHMITT, JOERG
Exec Dt:
03/05/2003
4
WEGENER, GERHARD
Exec Dt:
03/04/2003
5
DUGAL, MARKUS
Exec Dt:
03/05/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6770765
US20030134741
10340289
Correspondence name and address
BAYER POLYMERS LLC
JOHN E. MROZINSKI
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:014606/0961   Pages: 2
Recorded: 10/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGAL, MARKUS
Exec Dt:
09/08/2003
2
WEISBECK, MARKUS
Exec Dt:
09/09/2003
3
WEGENER, GERHARD
Exec Dt:
09/15/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040133019
10683741
Correspondence name and address
BAYER POLYMERS LLC
KAREN LOCKHART
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:014663/0048   Pages: 2
Recorded: 10/31/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGAL, MARKUS
Exec Dt:
09/08/2003
2
WEGNER, ANDREAS
Exec Dt:
09/17/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040097746
10698683
Correspondence name and address
BAYER POLYMERS LLC
JOHN E. MROZINSKI, JR.
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:015321/0606   Pages: 2
Recorded: 05/11/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEISBECK, MARKUS
Exec Dt:
04/28/2004
2
HEINEN, MARIE-THERESE
Exec Dt:
04/29/2004
3
SCHMITT, JOERG
Exec Dt:
05/05/2004
4
WEGENER, GERHARD
Exec Dt:
04/29/2004
5
DUGAL, MARKUS
Exec Dt:
04/29/2004
Assignee
1
BAYER MATERIAL SCIENCE AG
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7271116
US20040229747
10842994
Correspondence name and address
BAYER POLYMERS LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:015954/0419   Pages: 2
Recorded: 10/07/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUGAL, MARKUS
Exec Dt:
08/09/2004
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050113557
10960322
Correspondence name and address
BAYER MATERIALSCIENCE LLC
LYNDANNE M. WHALEN
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:017624/0399   Pages: 3
Recorded: 02/09/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRABOWSKI, STEFAN
Exec Dt:
12/30/2005
2
DUGAL, MARKUS
Exec Dt:
12/01/2005
3
WOLF, AUREL
Exec Dt:
01/17/2006
Assignee
1
BAYER MATERIALSCIENCE AG
561368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7435853
US20060183938
11350641
Correspondence name and address
LYNDANNE M. WHALEN
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:019308/0449   Pages: 3
Recorded: 05/11/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGAL, MARKUS
Exec Dt:
03/26/2007
2
GEHLEN, FRANZ-ULRICH VON
Exec Dt:
04/05/2007
3
WERSHOFEN, STEFAN
Exec Dt:
04/11/2007
4
LAGO, ANDRE
Exec Dt:
04/05/2007
5
LEHNER, PETER
Exec Dt:
04/17/2007
6
MAROTZ, BENIE
Exec Dt:
04/24/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7692042
US20070203364
11706444
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:019510/0938   Pages: 10
Recorded: 06/07/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGAL, MARKUS
Exec Dt:
03/26/2007
2
VON GEHLEN, FRANZ-ULRICH
Exec Dt:
04/05/2007
3
WERSHOFEN, STEFAN
Exec Dt:
04/11/2007
4
LAGO, ANDRE
Exec Dt:
04/12/2007
5
LEHNER, PETER
Exec Dt:
04/12/2007
6
BACKER, WERNER
Exec Dt:
05/04/2007
7
MAROTZ, BENIE
Exec Dt:
04/24/2007
8
BRINKSCHULTE, HORST
Exec Dt:
05/18/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070238901
11706438
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:019367/0767   Pages: 3
Recorded: 05/10/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUGAL, MARKUS
Exec Dt:
04/04/2007
2
PENNEMANN, BERND
Exec Dt:
04/04/2007
3
KAMPER, FRIEDHELM
Exec Dt:
04/16/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070265466
11801719
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:019701/0044   Pages: 2
Recorded: 08/15/2007
Attorney Dkt #:14069*92
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAAS, MICHEL
Exec Dt:
07/17/2007
2
DUGAL, MARKUS
Exec Dt:
08/06/2007
3
WERNER, KNUD
Exec Dt:
07/17/2007
Assignee
1
BAYER MATERIAL SCIENCE AG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100266481
11752374
Correspondence name and address
AARON R. ETTELMAN
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DELAWARE 19899
Assignment: 13
Reel/Frame:020542/0305   Pages: 4
Recorded: 02/19/2008
Attorney Dkt #:PO9033/BMS061124
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, KNUT
Exec Dt:
01/15/2008
2
DUGAL, MARKUS
Exec Dt:
01/21/2008
3
SCHWARZ, IDO
Exec Dt:
01/23/2008
4
WERSHOFEN, STEFAN
Exec Dt:
01/16/2008
5
LEHNER, PETER
Exec Dt:
01/28/2008
6
SCHUBERT, STEPHAN
Exec Dt:
01/25/2008
7
BOWING, ALEXANDRA GROSSE
Exec Dt:
01/25/2008
Assignee
1
BAYER MATERIALSCIENCE AG
D 5168 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7488850
US20080139850
11982959
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 14
Reel/Frame:020614/0139   Pages: 13
Recorded: 03/03/2008
Conveyance: ASSIGNMENT CORRECTION*103483228A*
Assignors
1
SOMMER, KNUT
Exec Dt:
01/15/2008
2
DUGAL, MARKUS
Exec Dt:
01/21/2008
3
SCHWARZ, IDO
Exec Dt:
01/23/2008
4
WERSHOFEN, STEFAN
Exec Dt:
01/16/2008
5
LEHNER, PETER
Exec Dt:
01/28/2008
6
SCHUBERT, STEPHAN
Exec Dt:
01/25/2008
7
BOWING, ALEXANDRA GROSSE
Exec Dt:
01/25/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7488850
US20080139850
11982959
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:020688/0298   Pages: 7
Recorded: 03/17/2008
Attorney Dkt #:PO9033/BMS061124
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE SEVENTH ASSIGNOR'S NAME, PREVIOUSLY RECORDED AT REEL 020614 FRAME 0139.
Assignors
1
SOMMER, KNUT
Exec Dt:
01/15/2008
2
DUGAL, MARKUS
Exec Dt:
01/21/2008
3
SCHWARZ, IDO
Exec Dt:
01/23/2008
4
WERSHOFEN, STEFAN
Exec Dt:
01/16/2008
5
LEHNER, PETER
Exec Dt:
01/28/2008
6
SCHUBERT, STEPHAN
Exec Dt:
01/25/2008
7
GROSSE-BOWING, ALEXANDRA
Exec Dt:
01/25/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7488850
US20080139850
11982959
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 16
Reel/Frame:050063/0499   Pages: 8
Recorded: 08/15/2019
Attorney Dkt #:2016P30111WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LODDENKEMPER, TIM
Exec Dt:
05/20/2019
2
ARRAS, JURGEN
Exec Dt:
05/17/2019
3
DUGAL, MARKUS
Exec Dt:
06/03/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10703713
US20200095194
16469426
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 17
Reel/Frame:051780/0350   Pages: 8
Recorded: 02/11/2020
Attorney Dkt #:2016P30146WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WERSHOFEN, STEFAN
Exec Dt:
10/25/2019
2
DUGAL, MARKUS
Exec Dt:
10/31/2019
3
JAEGER, GERNOT
Exec Dt:
10/30/2019
4
VIDAL FERRAN, ANTON
Exec Dt:
11/07/2019
5
NUÑEZ RICO, JOSE LUIS
Exec Dt:
11/07/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10807084
NONE
16612818
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

Search Results as of: 05/15/2024 09:19 AM
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