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 : BIELEFELDT, DIETMAR
Total Assignments: 35
Assignment: 1
Reel/Frame:004772/0112   Pages: 1
Recorded: 09/03/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GALLENKAMP, BERND
Exec Dt:
08/14/1987
2
WROBLOWSKY, HEINZ-JURGEN
Exec Dt:
08/14/1987
3
BIELEFELDT, DIETMAR
Exec Dt:
08/14/1987
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4820847
NONE
07092747
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004874/0286   Pages: 1
Recorded: 03/23/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
03/14/1988
2
MARHOLD, ALBRECHT
Exec Dt:
03/14/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORPORATION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5059711
NONE
07172732
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004905/0624   Pages: 1
Recorded: 06/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STROECH, KLAUS
Exec Dt:
05/27/1988
2
BIELEFELDT, DIETMAR
Exec Dt:
05/27/1988
3
BRANDES, WILHELM
Exec Dt:
05/27/1988
4
DUTZMANN, STEFAN
Exec Dt:
05/27/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4954162
NONE
07204470
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004995/0139   Pages: 1
Recorded: 10/13/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
09/22/1988
2
MARHOLD, ALBRECHT
Exec Dt:
09/22/1988
3
NEGELE, MICHAEL
Exec Dt:
09/22/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4902839
NONE
07257351
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:004971/0038   Pages: 1
Recorded: 11/16/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
11/04/1988
2
MARHOLD, ALBRECHT
Exec Dt:
11/04/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4970337
NONE
07271976
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:005068/0951   Pages: 1
Recorded: 05/04/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
NEGELE, MICHAEL
Exec Dt:
04/27/1989
2
BIELEFELDT, DIETMAR
Exec Dt:
04/27/1989
3
HIMMLER, THOMAS
Exec Dt:
04/27/1989
4
MARHOLD, ALBRECHT
Exec Dt:
04/27/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4990633
NONE
07347595
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:005087/0211   Pages: 1
Recorded: 06/01/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRUGER, BERND-WIELAND
Exec Dt:
05/24/1989
2
BIELEFELDT, DIETMAR
Exec Dt:
05/24/1989
3
GASSEN, KARL-RUDOLF
Exec Dt:
05/24/1989
4
HOMEYER, BERNHARD
Exec Dt:
05/24/1989
5
BECKER, BENEDIKT
Exec Dt:
05/24/1989
6
MATTHAEI, HANS-DETLEF
Exec Dt:
05/24/1989
7
STENDEL, WILHELM
Exec Dt:
05/24/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4973583
NONE
07359618
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 8
Reel/Frame:005194/0781   Pages: 1
Recorded: 09/25/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LAMBERTS, WILHELM
Exec Dt:
07/31/1989
2
SOMMERFELD, KLAUS-DIETER
Exec Dt:
07/31/1989
3
BIELEFELDT, DIETMAR
Exec Dt:
07/31/1989
4
MARHOLD, ALBRECHT
Exec Dt:
07/31/1989
5
NEGELE, MICHAEL
Exec Dt:
07/31/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT, A GERMAN CORP.
D 5090 LEVERKUSEN BAYERWERK
FED. REP. OF GERMANY, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4931482
NONE
07355530
Correspondence name and address
RICHARD E. L. HENDERSON
MOBAY CORP.
MOBAY RD.
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:005192/0004   Pages: 1
Recorded: 12/06/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DAUM, WERNER
Exec Dt:
11/17/1989
2
BIELEFELDT, DIETMAR
Exec Dt:
11/17/1989
3
BRANDES, WILHELM
Exec Dt:
11/17/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4962104
NONE
07446955
Correspondence name and address
SPRUNG HORN KRAMER AND WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 10
Reel/Frame:005220/0206   Pages: 1
Recorded: 01/24/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SOMMERFELD, CLAUS-DIETER
Exec Dt:
01/10/1990
2
LAMBERTS, WILHELM
Exec Dt:
01/10/1990
3
BIELEFELDT, DIETMAR
Exec Dt:
01/10/1990
4
MARHOLD, ALBRECHT
Exec Dt:
01/16/1990
5
NEGELE, MICHAEL
Exec Dt:
01/16/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5496866
NONE
07469622
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 11
Reel/Frame:005229/0911   Pages: 1
Recorded: 02/12/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
01/19/1990
2
GASSEN, KARL-RUDOLF
Exec Dt:
01/19/1990
3
LANGE, WALTER
Exec Dt:
01/19/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5072030
NONE
07478330
Correspondence name and address
SPRUNG HORN KRAMER AND WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 12
Reel/Frame:005318/0731   Pages: 2
Recorded: 05/15/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
05/10/1990
2
BRADEN, RUDOLF
Exec Dt:
05/10/1990
3
MARHOLD, ALBRECHT
Exec Dt:
05/10/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5087747
NONE
07523627
Correspondence name and address
SPRUNG HORN KRAMER AND WOODS
1140 AVE. OF AMERICAS
NEW YORK, NY 10036
Assignment: 13
Reel/Frame:005433/0178   Pages: 2
Recorded: 09/12/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
09/06/1990
2
ZIEMANN, HEINZ
Exec Dt:
09/06/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5093522
NONE
07581836
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 14
Reel/Frame:005499/0916   Pages: 2
Recorded: 10/24/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
GASSEN, KARL-RUDOLF
Exec Dt:
10/19/1990
2
BIELEFELDT, DIETMAR
Exec Dt:
10/19/1990
3
NEGELE, MICHAEL
Exec Dt:
10/19/1990
4
ZIEMANN, HEINZ
Exec Dt:
10/19/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5087775
NONE
07604026
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 15
Reel/Frame:005783/0915   Pages: 2
Recorded: 07/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOHM, STEFAN
Exec Dt:
04/29/1991
2
MARHOLD, ALBRECHT
Exec Dt:
04/29/1991
3
BIELEFELDT, DIETMAR
Exec Dt:
05/02/1991
Assignee
1
BAYER AKTIENSGESELLSCHAFT, A CORP. OF GERMANY
D-5090 LEVERKUSEN
BAYERWERK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5276218
NONE
07730368
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF AMERICAS
NEW YORK, NY 10036
Assignment: 16
Reel/Frame:005911/0981   Pages: 2
Recorded: 11/07/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOHM, STEFAN
Exec Dt:
08/26/1991
2
MARHOLD, ALBRECHT
Exec Dt:
08/27/1991
3
BIELEFELDT, DIETMAR
Exec Dt:
08/29/1991
Assignee
1
BAYER AKTIENGESELLSCHAFT A CORPORATION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5223643
NONE
07789214
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 17
Reel/Frame:006028/0819   Pages: 2
Recorded: 02/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
12/06/1991
2
BRADEN, RUDOLF
Exec Dt:
12/04/1991
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5145961
NONE
07834906
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
ATTN: KURT G. BRISCOE
1140 AVENUE OF THE AMERICAS
NEW YORK, NY. 10036
Assignment: 18
Reel/Frame:006061/0218   Pages: 2
Recorded: 03/20/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KRUGER, BERND-WIELAND
Exec Dt:
01/28/1992
2
BIELEFELDT, DIETMAR
Exec Dt:
01/21/1992
3
GASSEN, KARL-R.
Exec Dt:
01/30/1992
4
HARTWIG, JURGEN
Exec Dt:
01/23/1992
5
STENDEL, WILHELM
Exec Dt:
01/27/1992
6
ERDELEN, CHRISTOPH
Exec Dt:
01/24/1992
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORPORATION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5166144
NONE
07854183
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 19
Reel/Frame:006536/0793   Pages: 2
Recorded: 04/15/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUI, NORBERT
Exec Dt:
02/11/1993
2
MARHOLD, ALBRECHT
Exec Dt:
02/11/1993
3
BIELEFELDT, DIETMAR
Exec Dt:
02/11/1993
Assignee
1
BAYER AG
KONZERNVERWALTUNG RP
5090 LEVERKUSEN-BAYERWERK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5315047
NONE
08048103
Correspondence name and address
LEONARD HORN
SPRUNG ET AL
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 20
Reel/Frame:006643/0952   Pages: 2
Recorded: 07/28/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUI, NORBERT
Exec Dt:
06/03/1993
2
BIELEFELDT, DIETMAR
Exec Dt:
06/03/1993
3
MARHOLD, ALBRECHT
Exec Dt:
06/04/1993
Assignee
1
BAYER AG
KONZERNVERWALTUNG RP
PATENTE KONZERN
LEVERKUSEN, GERMANY D51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5306849
NONE
08098689
Correspondence name and address
SPRUNG HORN KARMER & WOODS
LEONARD HORN
660 WHITE PLAINS ROAD
4TH FLOOR
TARRYTOWN, NY 10591-5144
Assignment: 21
Reel/Frame:006872/0270   Pages: 2
Recorded: 02/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUI, NORBERT
Exec Dt:
12/16/1993
2
MARHOLD, ALBRECHT
Exec Dt:
12/16/1993
3
BIELEFELDT, DIETMAR
Exec Dt:
01/03/1994
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5463150
NONE
08195236
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN, ESQ.
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 22
Reel/Frame:007256/0333   Pages: 2
Recorded: 10/25/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUI, NORBERT
Exec Dt:
08/17/1994
2
MARHOLD, ALBRECHT
Exec Dt:
08/17/1994
3
BIELEFELDT, DIETMAR
Exec Dt:
08/18/1994
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNVERWALTUNG RP PATENTABTEILUNG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5523497
NONE
08325319
Correspondence name and address
JOSEPH C. GIL
PATENT DEPARTMENT
MILES INC.
MOBAY ROAD
PITTSBURGH, PA 15205
Assignment: 23
Reel/Frame:007245/0622   Pages: 2
Recorded: 11/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIELEFELDT, DIETMAR
Exec Dt:
08/19/1994
2
MARHOLD, ALBRECHT
Exec Dt:
08/19/1994
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNVERWALTUNG RP, PATENTABTEILUNG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5536890
NONE
08335739
Correspondence name and address
JOSEPH C. GIL
MILES INC.
PATENT DEPARTMENT
MOBAY ROAD
PITTSBURGH, PA 15205
Assignment: 24
Reel/Frame:007285/0322   Pages: 2
Recorded: 12/05/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BIELEFELDT, DIETMAR
Exec Dt:
10/05/1994
Assignee
1
BAYER AG
KONZERNVERWALTUNG RP
PATENTABTEILUNG BAYERWERK
LEVERKUSEN, GERMANY D51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5455376
NONE
08347994
Correspondence name and address
LEONARD HORN
SPRUNG HORN KRAMER & WOODS
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 25
Reel/Frame:008814/0249   Pages: 4
Recorded: 11/17/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MULLER, KLAUS-HELMUT
Exec Dt:
06/09/1997
2
KIRSTEN, ROLF
Exec Dt:
06/11/1997
3
GESING, ERNST RUDOLF F.
Exec Dt:
06/11/1997
4
KLUTH, JOACHIM
Exec Dt:
07/31/1997
5
FINDEISEN, KURT
Exec Dt:
06/17/1997
6
JANSEN, JOHANNES R.
Exec Dt:
07/17/1997
7
KONIG, KLAUS
Exec Dt:
08/26/1997
8
RIEBEL, HANS-JOCHEM
Exec Dt:
08/01/1997
9
BIELEFELDT, DIETMAR
Exec Dt:
08/20/1997
10
DOLLINGER, MARKUS
Exec Dt:
08/11/1997
11
SANTEL, HANS-JOACHIM
Exec Dt:
08/13/1997
12
STENZEL, KLAUS
Exec Dt:
08/07/1997
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5994273
NONE
08894932
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
CARMELLA A. O'GORMAN, ESQ.
660 WHITE PLAINS ROAD
TARRYTOWN, NEW YORK 10591-5144
Assignment: 26
Reel/Frame:009129/0548   Pages: 3
Recorded: 02/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARHOLD, ALBRECHT
Exec Dt:
10/29/1997
2
BIELEFELDT, DIETMAR
Exec Dt:
11/03/1997
3
GALLENKAMP, BERND
Exec Dt:
10/30/1997
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6075160
NONE
09011943
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
CARMELLA A. O'GORMAN
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 27
Reel/Frame:009458/0720   Pages: 2
Recorded: 09/14/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEUNER, OTTO
Exec Dt:
08/06/1998
2
LUI, NORBERT
Exec Dt:
08/07/1998
3
BIELEFELDT, DIETMAR
Exec Dt:
08/12/1998
4
HOLZBRECHER, MICHAEL
Exec Dt:
08/10/1998
Assignee
1
BAYER AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6613948
NONE
09152595
Correspondence name and address
BRINKS HOFER GILSON & LIONE
K. SHANNON MRKSICH
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 28
Reel/Frame:009813/0706   Pages: 2
Recorded: 03/10/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CONRAD, MICHAEL
Exec Dt:
10/07/1998
2
ASSMANN, LUTZ
Exec Dt:
10/09/1998
3
WROBLOWSKY, HEINZ-JURGEN
Exec Dt:
10/02/1998
4
CASSER, CARL
Exec Dt:
10/02/1998
5
BIELEFELDT, DIETMAR
Exec Dt:
10/13/1998
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6054589
NONE
09118954
Correspondence name and address
BAYER CORPORATION
CAROL MARMO
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 29
Reel/Frame:010325/0649   Pages: 2
Recorded: 01/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELBE, HANS-LUDWIG
Exec Dt:
10/22/1998
2
BIELEFELDT, DIETMAR
Exec Dt:
11/10/1998
3
TIEMANN, RALF
Exec Dt:
10/26/1998
4
DUTZMANN, STEFAN
Exec Dt:
10/27/1998
5
KUGLER, MARTIN
Exec Dt:
11/09/1998
6
KLAUS, STENZEL
Exec Dt:
10/26/1998
7
WACHTLER, PETER
Exec Dt:
11/06/1998
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNBEREICH RP, PATENT UND LIZENZEN
D-51368 LAVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6054473
NONE
09230160
Correspondence name and address
BAYER CORPORATION
CAROL MARMO
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 30
Reel/Frame:010370/0976   Pages: 2
Recorded: 01/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ELBE, HANS-LUDWIG
Exec Dt:
10/22/1998
2
BIELEFELDT, DIETMAR
Exec Dt:
11/10/1998
3
TIEMANN, RALF
Exec Dt:
10/26/1998
4
DUTZMANN, STEFAN
Exec Dt:
10/27/1998
5
STENZEL, KLAUS
Exec Dt:
10/26/1998
6
KUGLER, MARTIN
Exec Dt:
11/09/1998
7
WACHTLER, PETER
Exec Dt:
11/06/1998
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6054473
NONE
09230160
Correspondence name and address
BAYER CORPORATION
CAROL MARMO
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 31
Reel/Frame:011702/0498   Pages: 5
Recorded: 04/16/2001
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE EIGHTH ASSIGNOR'S NAME PREVIOUSLY RECORDED ON REEL 011343, FRAME 0304.
Assignors
1
ALIG, BERND
Exec Dt:
01/18/1999
2
BERTSCH, ACHIM
Exec Dt:
01/21/1999
3
BIELEFELDT, DIETMAR
Exec Dt:
01/25/1999
4
LUI, NORBERT
Exec Dt:
01/26/1999
5
MARHOLD, ALBRECHT
Exec Dt:
02/15/1999
6
ERDELEN, CHRISTOPH
Exec Dt:
02/16/1999
7
ANDERSCH, WOLFRAM
Exec Dt:
02/22/1999
8
TURBERG, ANDREAS
Exec Dt:
02/23/1999
9
MENCKE, NORBERT
Exec Dt:
01/08/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6265430
US20010007876
09194994
Correspondence name and address
BAYER CORPORATION
JOSEPH C. GIL
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 32
Reel/Frame:011343/0304   Pages: 3
Recorded: 11/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALIG, BERND
Exec Dt:
01/18/1999
2
BERTSCH, ACHIM
Exec Dt:
02/23/1999
3
BIELEFELDT, DIETMAR
Exec Dt:
02/22/1999
4
LUI, NORBERT
Exec Dt:
02/10/1999
5
MARHOLD, ALBRECHT
Exec Dt:
02/15/1999
6
ERDELEN, CHRISTOPH
Exec Dt:
01/25/1999
7
ANDERSCH, WOLFRAM
Exec Dt:
01/26/1999
8
TURBERT, ANDREAS
Exec Dt:
01/21/1999
9
MENCKE, NORBERT
Exec Dt:
01/18/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6265430
US20010007876
09194994
Correspondence name and address
BAYER CORPORATION
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Assignment: 33
Reel/Frame:010408/0414   Pages: 3
Recorded: 11/23/1999
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNOR, PREVIOUSLY RECORDED ON REEL 010176 FRAME 0097.
Assignors
1
ELBE, HANS-LUDWIG
Exec Dt:
10/12/1999
2
KUNISCH, FRANZ
Exec Dt:
10/19/1999
3
BIELEFELDT, DIETMAR
Exec Dt:
10/27/1999
4
TIEMANN, RALF
Exec Dt:
10/27/1999
5
STENZEL, KLAUS
Exec Dt:
10/27/1999
6
DUTZMANN, STEFAN
Exec Dt:
10/14/1999
7
KUGLER, MARTIN
Exec Dt:
10/14/1999
8
SCHRAGE, HEINRICH
Exec Dt:
10/23/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6107336
NONE
09230198
Correspondence name and address
BAYER CORPORATION
CAROL MARMO
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 34
Reel/Frame:012373/0678   Pages: 4
Recorded: 11/06/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHELHAAS, MICHAEL
Exec Dt:
10/08/2001
2
CASSER, CARL
Exec Dt:
10/17/2001
3
BIELEFELDT, DIETMAR
Exec Dt:
10/10/2001
4
OOMS, PIETER
Exec Dt:
10/10/2001
5
HAIDER, JOACHIM
Exec Dt:
10/19/2001
6
JAUTELAT, MANFRED
Exec Dt:
10/08/2001
7
LAUE, CHRISTIAN
Exec Dt:
10/22/2001
8
GIERA, HENRY
Exec Dt:
10/23/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6414192
US20020055652
10007014
Correspondence name and address
BAYER CORPORATION
NOLAND J. CHEUNG
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 35
Reel/Frame:016661/0730   Pages: 4
Recorded: 08/23/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRAIG, THOMAS
Exec Dt:
02/21/2005
2
BIELEFELDT, DIETMAR
Exec Dt:
02/24/2005
3
DORSCH, URS-PETER
Exec Dt:
03/07/2005
4
IDEL, KARSTEN-JOSEF
Exec Dt:
04/14/2005
5
KONIG, ANNETT
Exec Dt:
05/23/2005
6
RODEFELD, LARS
Exec Dt:
04/28/2005
7
CLAUS-LUDOLF
Exec Dt:
03/02/2005
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-51369 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060014864
10520796
Correspondence name and address
JILL DENESVICH
LANXESS CORPORATION
LAW & INTELLECTUAL PROPERTY DEPARTMENT
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112

Search Results as of: 05/24/2024 02:26 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