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 Assignee Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignee Name : BAYER AKTIENGESELLSCHAFT,
Total Assignments: 20
Assignment: 1
Reel/Frame:004018/0866   Pages: 1
Recorded: 04/19/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HEIKER, FRED R.
Exec Dt:
04/07/1982
2
MULLER, LUTZ
Exec Dt:
04/07/1982
3
PULS, WALTER
Exec Dt:
04/07/1982
4
BISCHOFF, HILMAR
Exec Dt:
04/07/1982
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A CORP. OF
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4526784
NONE
06369761
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004223/0142   Pages: 1
Recorded: 01/19/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHOLL, HANS-JOACHIM
Exec Dt:
01/04/1984
2
PEDAIN, JOSEF
Exec Dt:
01/04/1984
3
RIBERI, BERND
Exec Dt:
01/04/1984
4
MENNICKEN, GERHARD
Exec Dt:
01/04/1984
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A GERMAN CORP.
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4552946
NONE
06571982
Correspondence name and address
PATENT DEPARTMENT
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:004548/0665   Pages: 1
Recorded: 05/01/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TRAUBEL, HARRO
Exec Dt:
04/21/1986
2
WOYNAR, HELMUT
Exec Dt:
04/21/1986
3
MULLER, HANS-WERNER
Exec Dt:
04/21/1986
4
FOCKS, HANS J.
Exec Dt:
04/21/1986
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4810251
NONE
06858160
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:005047/0368   Pages: 1
Recorded: 02/21/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHUBART, RUDIGER
Exec Dt:
02/03/1989
2
PIEROTH, MANFRED
Exec Dt:
02/03/1989
3
KEMPERMANN, THEO
Exec Dt:
02/03/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4985305
NONE
07312690
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 5
Reel/Frame:005051/0022   Pages: 1
Recorded: 02/28/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KIRSTEN, ROLF
Exec Dt:
02/03/1989
2
KLUTH, JOACHIM
Exec Dt:
02/03/1989
3
FEST, CHRISTA
Exec Dt:
02/03/1989
4
GESING, ERNST
Exec Dt:
02/03/1989
5
MULLER, KLAUS-HELMUT
Exec Dt:
02/03/1989
6
RIEBEL, HANS-JOCHEM
Exec Dt:
02/03/1989
7
BABCZINSKI, PETER
Exec Dt:
02/03/1989
8
SCHALLNER, OTTO
Exec Dt:
02/03/1989
9
SANTEL, HANS-JOACHIM
Exec Dt:
02/03/1989
10
SCHMIDT, ROBERT R.
Exec Dt:
02/03/1989
11
STRANG, HARRY
Exec Dt:
02/03/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4941912
NONE
07317219
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:005051/0607   Pages: 1
Recorded: 03/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KLEEFELD, GERD
Exec Dt:
02/03/1989
2
KLAUSENER, ALEXANDER
Exec Dt:
02/03/1989
3
KRAMER, WOLFGANG
Exec Dt:
02/03/1989
4
BRANDES, WILHELM
Exec Dt:
02/03/1989
5
DUTZMANN, STEFAN
Exec Dt:
02/03/1989
6
HANSSLER, GERD
Exec Dt:
02/03/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4968709
NONE
07318026
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:005052/0618   Pages: 1
Recorded: 03/07/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BONSE, GERHARD
Exec Dt:
02/10/1989
2
HALLENBACH, WERNER
Exec Dt:
02/10/1989
3
LINDEL, HANS
Exec Dt:
02/10/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4939262
NONE
07320132
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 8
Reel/Frame:005052/0772   Pages: 1
Recorded: 03/07/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
JELICH, KLAUS
Exec Dt:
02/13/1989
2
BABCZINSKI, PETER
Exec Dt:
02/13/1989
3
SANTEL, HANS-JOACHIM
Exec Dt:
02/13/1989
4
SCHMIDT, ROBERT R.
Exec Dt:
02/13/1989
5
STRANG, HARRY
Exec Dt:
02/13/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4960455
NONE
07320249
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 9
Reel/Frame:005053/0838   Pages: 1
Recorded: 03/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BACHEM, HENNING
Exec Dt:
02/16/1989
2
MUSZIK, JANOS
Exec Dt:
02/16/1989
3
REINERS, JURGEN
Exec Dt:
02/16/1989
4
SULING, CARLHANS
Exec Dt:
02/16/1989
5
SCHROER, WOLF-DIETER
Exec Dt:
02/16/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4975499
NONE
07322595
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 10
Reel/Frame:005054/0700   Pages: 1
Recorded: 03/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FINDEISEN, KURT
Exec Dt:
02/17/1989
2
LINDIG, MARKUS
Exec Dt:
02/17/1989
3
SANTEL, HANS-JOACHIM
Exec Dt:
02/17/1989
4
SCHMIDT, ROBERT R.
Exec Dt:
02/17/1989
5
STRANG, HARRY
Exec Dt:
02/17/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5021081
NONE
07324361
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 11
Reel/Frame:005052/0684   Pages: 1
Recorded: 03/07/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PUSCH, WERNER
Exec Dt:
02/24/1989
2
ULLRICH, MARTIN
Exec Dt:
02/24/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4941748
NONE
07320025
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 12
Reel/Frame:005054/0703   Pages: 1
Recorded: 03/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BACHEM, HENNING
Exec Dt:
02/24/1989
2
SULING, CARLHANS
Exec Dt:
02/24/1989
3
MUSZIK, JANOS
Exec Dt:
02/24/1989
4
SCHROER, WOLF-DIETER
Exec Dt:
02/27/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4929309
NONE
07324365
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 13
Reel/Frame:005054/0169   Pages: 1
Recorded: 03/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
WALZ, KLAUS
Exec Dt:
02/28/1989
2
BREYER, KARL-HEINZ
Exec Dt:
02/28/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4988463
NONE
07322441
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 14
Reel/Frame:005271/0255   Pages: 1
Recorded: 01/02/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FISCHER, REINER
Exec Dt:
12/18/1989
2
BAASNER, BERND
Exec Dt:
12/12/1989
3
HAGEMANN, HERMANN
Exec Dt:
12/08/1989
4
KREBS, ANDREAS
Exec Dt:
12/12/1989
5
MARHOLD, ALBRECHT
Exec Dt:
12/18/1989
6
SANTEL, HANS-JOACHIM
Exec Dt:
12/12/1989
7
SCHMIDT, ROBERT R.
Exec Dt:
12/08/1989
8
LURSSEN, KLAUS
Exec Dt:
12/12/1989
9
BECKER, BENEDIKT
Exec Dt:
12/18/1989
10
SCHALLER, KLAUS
Exec Dt:
12/08/1989
11
STRANG, HARRY
Exec Dt:
12/08/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5045560
NONE
07460208
Correspondence name and address
SPRUNG HORN KRAMER AND WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 15
Reel/Frame:005269/0312   Pages: 1
Recorded: 04/04/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MAURER, FRITZ
Exec Dt:
03/09/1990
2
FINDEISEN, KURT
Exec Dt:
03/09/1990
3
HARTWIG, JURGEN
Exec Dt:
03/09/1990
4
BECKER, BENEDIKT
Exec Dt:
03/05/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5043337
NONE
07504465
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 16
Reel/Frame:005370/0467   Pages: 2
Recorded: 07/02/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ONNENBERG, VOLKER
Exec Dt:
04/06/1990
2
MOLLMANN, GUNTER
Exec Dt:
04/06/1990
Assignees
1
BAYER AKTIENGESELLSCHAFT,
D 5090 LEVERKUSEN BAYERWERK,
GERMANY
2
FRITSCHE MOLLMANN GMBH & CO, KG,
D 4531 LOTTE, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5017114
NONE
07482424
Correspondence name and address
JOSEPH C. GIL
MOBAY CORPORATION
MOBAY RD.
PITTSBURGH, PA 15205-9741
Assignment: 17
Reel/Frame:005372/0562   Pages: 2
Recorded: 07/06/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHMALSTIEG, LUTZ
Exec Dt:
06/13/1990
2
NACHTKAMP, KLAUS
Exec Dt:
06/13/1990
3
NOBLE, KARL-LUDWIG
Exec Dt:
06/21/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT,
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5061775
NONE
07549508
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 18
Reel/Frame:005519/0271   Pages: 2
Recorded: 11/16/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HENNING, WOLFGANG
Exec Dt:
10/24/1990
2
SIRINYAN, KIRKOR
Exec Dt:
10/24/1990
3
BENDA, BRUCE
Exec Dt:
10/24/1990
Assignees
1
BAYER AKTIENGESELLSCHAFT,
D 5090 LEVERKUSEN,
BAYERWERK,, GERMANY
2
MOBAY CORPORATION,
PITTSBURGH,, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5043375
NONE
07614888
Correspondence name and address
PATENT DEPT.,
MOBAY CORP.,
MOBAY RD.,
PITTSBURGH, PA 15205-9741
Assignment: 19
Reel/Frame:005844/0067   Pages: 2
Recorded: 09/12/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MULLER, HANNS-PETER
Exec Dt:
07/22/1991
2
FRANKE, JOACHIM
Exec Dt:
07/25/1991
3
LINDNER, CHRISTIAN
Exec Dt:
07/22/1991
4
GRUTTMANN, HORST
Exec Dt:
07/22/1991
5
JACOB, HANS-DIETER
Exec Dt:
07/24/1991
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A CORPORATION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5206287
NONE
07758041
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORP.
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 20
Reel/Frame:005907/0709   Pages: 2
Recorded: 10/10/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KLEEFELD, GERD
Exec Dt:
07/24/1991
2
DIEHR, HANS-JOACHIM
Exec Dt:
07/31/1991
3
HAAS, WILHELM
Exec Dt:
07/24/1991
4
DEHNE, HEINZ-WILHELM
Exec Dt:
07/24/1991
5
BRANDES, WILHELM
Exec Dt:
07/31/1991
Assignee
1
BAYER AKTIENGESELLSCHAFT,
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5166165
NONE
07775632
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036

Search Results as of: 05/09/2024 09:04 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