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 : BRONSTERT, BERND
Total Assignments: 20
Assignment: 1
Reel/Frame:004080/0086   Pages: 1
Recorded: 01/13/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRONSTERT, BERND
Exec Dt:
11/16/1981
2
HAHN, HERBERT
Exec Dt:
11/16/1981
3
HOFFMANN, GERHARD
Exec Dt:
11/16/1981
4
LENZ, WERNER
Exec Dt:
11/16/1981
Assignee
1
AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4387157
NONE
06324278
Correspondence name and address
KEIL & WITHERSPOON
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:004427/0519   Pages: 1
Recorded: 07/11/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOFFMANN, GERHARD
Exec Dt:
11/16/1981
2
BRONSTERT, BERND
Exec Dt:
11/16/1981
3
HAHN, HERBERT
Exec Dt:
11/16/1981
4
JUN, MONG-JON
Exec Dt:
11/16/1981
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4547454
NONE
06650713
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:004755/0540   Pages: 1
Recorded: 08/31/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HENNE, ANDREAS
Exec Dt:
03/25/1982
2
HESSE, ANTON
Exec Dt:
03/25/1982
3
JACOBI, MANFRED
Exec Dt:
03/25/1982
4
WALLBILLICH, GUENTER
Exec Dt:
03/25/1982
5
BRONSTERT, BERND
Exec Dt:
03/25/1982
Assignee
1
BASF AKTIENGESELLSCHAFT
RHEINLAND-PFALZ
6700 LUDWIGHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4719297
NONE
06673218
Correspondence name and address
KEIL AND WEINKAUF
1101 CONNECTICUT AVENUE,N.W.
WASHINGTON, DC 20036
Assignment: 4
Reel/Frame:004922/0051   Pages: 1
Recorded: 08/01/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRONSTERT, BERND
Exec Dt:
12/16/1983
2
HOFFMANN, GERHARD
Exec Dt:
12/16/1983
3
LYNCH, JOHN
Exec Dt:
12/16/1983
Assignee
1
BASF AKTIENGESELLSCHAFT, 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4816379
NONE
06725151
Correspondence name and address
KEIL & WEINKAUF
1101 CONN. AVE., N. W.
WASHINGTON, DC 20036
Assignment: 5
Reel/Frame:005065/0918   Pages: 1
Recorded: 04/25/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BOETTCHER, ANDREAS
Exec Dt:
09/24/1987
2
BRONSTERT, BERND
Exec Dt:
09/24/1987
3
HOFFMANN, GERHARD
Exec Dt:
09/24/1987
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4868091
NONE
07103366
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 6
Reel/Frame:005371/0185   Pages: 2
Recorded: 07/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BRONSTERT, BERND
Exec Dt:
06/03/1988
2
ZUERGER, MANFRED
Exec Dt:
06/03/1988
Assignee
1
BASF AKTIENGESELLSCHAFT,
6700 LUDWIGSHAFEN,
RHEINLAND-PFALZ,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4970134
NONE
07205380
Correspondence name and address
KEIL & WEINKAUF
1101 CONN AVE., N. W.,
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:005182/0240   Pages: 1
Recorded: 11/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HUEMMER, WOLFGANG
Exec Dt:
02/27/1989
2
BRONSTERT, BERND
Exec Dt:
02/27/1989
3
LITTMANN, DIETER
Exec Dt:
02/27/1989
4
ZUERGER, MANFRED
Exec Dt:
02/27/1989
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4925769
NONE
07324709
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVENUE, N. W.
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:005321/0866   Pages: 2
Recorded: 05/29/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BECK, ERICH
Exec Dt:
03/02/1989
2
BRONSTERT, BERND
Exec Dt:
03/02/1989
3
HUEMMER, WOLFGANG
Exec Dt:
03/02/1989
4
LITTMANN, DIETER
Exec Dt:
03/02/1989
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFAZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4960673
NONE
07324829
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N. W.,
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:008273/0946   Pages: 2
Recorded: 10/22/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KELLER, HARALD
Exec Dt:
10/15/1996
2
BRONSTERT, BERND
Exec Dt:
10/15/1996
3
STEININGER, HELMUT
Exec Dt:
10/15/1996
4
HEIL, GUNTER
Exec Dt:
10/15/1996
5
BLUM, RAINER
Exec Dt:
10/15/1996
Assignee
1
BASF MAGNETICS GMBH
67059 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5891593
NONE
08735109
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 10
Reel/Frame:009934/0177   Pages: 2
Recorded: 09/23/1998
Conveyance: ASSIGNMENT OF ASSIGNOR'S INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRONSTERT, BERND
Exec Dt:
09/01/1998
2
MOEHWALD, HELMUT
Exec Dt:
09/01/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6416905
NONE
09155131
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, DC 20036
Assignment: 11
Reel/Frame:010852/0464   Pages: 3
Recorded: 05/23/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAUER, STEPHEN
Exec Dt:
04/07/2000
2
BRONSTERT, BERND
Exec Dt:
04/11/2000
3
MOEHWALD, HELMUT
Exec Dt:
04/11/2000
4
NEUSS, MICHAEL
Exec Dt:
04/11/2000
5
BURKHARDT, UWE
Exec Dt:
04/11/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6361709
NONE
09577072
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON D.C. 20036
Assignment: 12
Reel/Frame:010939/0653   Pages: 3
Recorded: 07/17/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAUER, STEPAN
Exec Dt:
06/14/2000
2
BRONSTERT, BERND
Exec Dt:
06/14/2000
3
MOEHWALD, HELMUT
Exec Dt:
06/14/2000
4
STERZEL, HANS-JOSEF
Exec Dt:
06/14/2000
5
HESSE, WERNER
Exec Dt:
06/14/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6642294
NONE
09509690
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 13
Reel/Frame:011619/0021   Pages: 3
Recorded: 02/01/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOEHWALD, HELMUT
Exec Dt:
11/29/2000
2
DOETTER, GERHARD
Exec Dt:
11/29/2000
3
BLUM, RAINER
Exec Dt:
11/29/2000
4
KELLER, PETER
Exec Dt:
11/29/2000
5
BAUER, STEPHAN
Exec Dt:
11/29/2000
6
BRONSTERT, BERND
Exec Dt:
11/29/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6475663
NONE
09762076
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 14
Reel/Frame:011966/0333   Pages: 3
Recorded: 05/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TOBINAGA, TEKESHI
Exec Dt:
03/05/2001
2
MATHAUER, KLEMENS
Exec Dt:
03/05/2001
3
BRONSTERT, BERND
Exec Dt:
03/05/2001
4
MOEHWALD, HELMUT
Exec Dt:
03/05/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6949285
NONE
09857031
Correspondence name and address
KEIL & WEINKAUF
HERNERT B. KEIL
1101 CONNECTICUT AVENUE, N.E.
WASHINGTON, DC 20036
Assignment: 15
Reel/Frame:011813/0280   Pages: 3
Recorded: 04/25/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAUER, STEPHAN
Exec Dt:
03/19/2001
2
BRONSTERT, BERND
Exec Dt:
03/19/2001
3
MOEHWALD, HELMUT
Exec Dt:
03/19/2001
4
BLUM, RAINER
Exec Dt:
03/19/2001
5
DOETTER, GERHARD
Exec Dt:
03/19/2001
Assignee
1
BASF AKTIENGESELLCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6632561
NONE
09830265
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 16
Reel/Frame:012341/0281   Pages: 3
Recorded: 10/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAUER, STEPHAN
Exec Dt:
07/07/2001
2
BRONSTERT, BERND
Exec Dt:
07/07/2001
3
MOEHWALD, HELMUT
Exec Dt:
07/07/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
D-67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6730440
NONE
09958343
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, DC 20036
Assignment: 17
Reel/Frame:012315/0578   Pages: 3
Recorded: 10/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAUER, STEPHAN
Exec Dt:
07/18/2001
2
BRONSTERT, BERND
Exec Dt:
07/18/2001
3
MOEHWALD, HELMUT
Exec Dt:
07/18/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
D-67056 LUDWIGSHAFEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6746803
NONE
09958288
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036
Assignment: 18
Reel/Frame:012502/0795   Pages: 3
Recorded: 10/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BAUER, STEPHAN
Exec Dt:
08/29/2001
2
BRONSTERT, BERND
Exec Dt:
08/29/2001
3
MOEHWALD, HELMUT
Exec Dt:
08/29/2001
4
TOBINAGA, TAKESHI
Exec Dt:
08/29/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
D-67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040224234
09958379
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036
Assignment: 19
Reel/Frame:012430/0705   Pages: 3
Recorded: 01/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MOEHWALD, HELMUT
Exec Dt:
11/08/2001
2
DOETTER, GERHARD
Exec Dt:
11/08/2001
3
BLUM, RAINER
Exec Dt:
11/08/2001
4
KELLER, PETER
Exec Dt:
11/08/2001
5
BAUER, STEPHAN
Exec Dt:
11/08/2001
6
BRONSTERT, BERND
Exec Dt:
11/08/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6991874
NONE
09674541
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036
Assignment: 20
Reel/Frame:013165/0450   Pages: 3
Recorded: 07/31/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BRONSTERT, BERND
Exec Dt:
05/02/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6767624
US20030031858
10207785
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1350 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036

Search Results as of: 04/28/2024 04:55 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