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 : SCHWENNER, ECKHARD
Total Assignments: 12
Assignment: 1
Reel/Frame:004657/0540   Pages: 1
Recorded: 01/07/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KINAST, GUNTHER
Exec Dt:
12/12/1986
2
SCHWENNER, ECKHARD
Exec Dt:
12/12/1986
3
KAZDA, STANISLAV
Exec Dt:
12/12/1986
4
KNORR, ANDREAS
Exec Dt:
12/12/1986
5
KAYSER, MICHAEL
Exec Dt:
12/12/1986
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4808622
NONE
07001496
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004696/0603   Pages: 1
Recorded: 02/25/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHWENNER, ECKHARD
Exec Dt:
02/09/1987
2
STEGELMEIER, HARTMUT
Exec Dt:
02/09/1987
3
KAZDA, STANISLAV
Exec Dt:
02/09/1987
4
KNORR, ANDREAS
Exec Dt:
02/09/1987
Assignee
1
BAYER AKTIENGESELLSCHAFT
A GERMAN CORP
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4861782
NONE
07018652
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004859/0164   Pages: 1
Recorded: 01/04/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MEYER, HORST
Exec Dt:
12/10/1987
2
SCHWENNER, ECKHARD
Exec Dt:
12/14/1987
3
KNORR, ANDREAS
Exec Dt:
12/14/1987
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4885303
NONE
07141363
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004869/0052   Pages: 1
Recorded: 02/18/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MEYER, HORST
Exec Dt:
02/01/1988
2
SCHWENNER, ECKHARD
Exec Dt:
02/05/1988
3
BECHEM, MARTIN
Exec Dt:
02/05/1988
4
GROSS, RAINER
Exec Dt:
02/05/1988
5
SCHRAMM, MATTHIAS
Exec Dt:
02/05/1988
6
KAYSER, MICHAEL
Exec Dt:
02/05/1988
7
HEBISCH, SIEGBERT
Exec Dt:
02/05/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4898877
NONE
07157678
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:005144/0524   Pages: 1
Recorded: 09/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STOLTEFUSS, JURGEN
Exec Dt:
09/07/1989
2
SCHWENNER, ECKHARD
Exec Dt:
09/07/1989
3
GROSS, RAINER
Exec Dt:
09/07/1989
4
HEBISCH, SIEGBERT
Exec Dt:
09/07/1989
5
SCHRAMM, MATTHIAS
Exec Dt:
09/07/1989
6
BECHEM, MARTIN
Exec Dt:
09/07/1989
7
HIRTH, CLAUDIA
Exec Dt:
09/07/1989
8
STASCH, JOHANNES-PETER
Exec Dt:
09/07/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5015650
NONE
07413365
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:005144/0701   Pages: 1
Recorded: 09/27/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
STOLTEFUSS, JURGEN
Exec Dt:
09/07/1989
2
SCHWENNER, ECKHARD
Exec Dt:
09/07/1989
3
GROSS, RAINER
Exec Dt:
09/07/1989
4
HEBISCH, SIEGBERT
Exec Dt:
09/07/1989
5
SCHRAMM, MATTHIAS
Exec Dt:
09/07/1989
6
BECHEM, MARTIN
Exec Dt:
09/07/1989
7
HIRTH, CLAUDIA
Exec Dt:
09/07/1989
8
STASCH, JOHANNES-PETER
Exec Dt:
09/07/1989
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY A CORP. OF GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5051433
NONE
07413510
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:006883/0648   Pages: 3
Recorded: 02/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWENNER, ECKHARD
Exec Dt:
01/14/1994
2
LADOUCEUR, GAETAN
Exec Dt:
01/06/1994
3
KABBE, HANS-JOACHIM
Exec Dt:
01/20/1994
4
AUNE, THOMAS MARTIN
Exec Dt:
01/05/1994
Assignee
1
BAYER AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5411960
NONE
08164495
Correspondence name and address
LEONARD HORN, ESQ.
SPRUNG HORN KRAMER & WOODS
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 8
Reel/Frame:006885/0663   Pages: 3
Recorded: 02/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWENNER, ECKHARD
Exec Dt:
01/14/1994
2
LADOUCEUR, GAETAN
Exec Dt:
01/06/1994
3
KABBE, HANS-JOACHIM
Exec Dt:
01/20/1994
4
AUNE, THOMAS MARTIN
Exec Dt:
01/05/1994
Assignee
1
BAYER AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5409932
NONE
08164499
Correspondence name and address
LEONARD HORN, ESQ.
SPRUNG HORN KRAMER & WOODS
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 9
Reel/Frame:006885/0666   Pages: 3
Recorded: 02/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWENNER, ECKHARD
Exec Dt:
01/14/1994
2
LADOUCEUR, GAETAN
Exec Dt:
01/06/1994
3
KABBE, HANS-JOACHIM
Exec Dt:
01/20/1994
4
AUNE, THOMAS MARTIN
Exec Dt:
01/05/1994
Assignee
1
BAYER AG
D 51368
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5459143
NONE
08164509
Correspondence name and address
LEONARD HORN, ESQ.
SPRUNG HORN KRAMER & WOODS
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 10
Reel/Frame:006885/0672   Pages: 3
Recorded: 02/04/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWENNER, ECKHARD
Exec Dt:
01/14/1994
2
LADOUCEUR, GAETAN
Exec Dt:
01/06/1994
3
AUNE, THOMAS MARTIN
Exec Dt:
01/05/1994
Assignee
1
BAYER AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5461054
NONE
08164511
Correspondence name and address
LEONARD HORN, ESQ.
SPRUNG HORN KRAMMER & WOODS
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 11
Reel/Frame:007134/0694   Pages: 3
Recorded: 09/06/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOBBERDING, ANTONIUS
Exec Dt:
07/26/1994
2
MIELKE, BURKHARD
Exec Dt:
07/27/1994
3
SCHWEMLER, CHRISTOPH
Exec Dt:
07/27/1994
4
SCHWENNER, ECKHARD
Exec Dt:
08/01/1994
5
STROPP, UDO
Exec Dt:
07/27/1994
6
SPRINGER, WOLFGANG
Exec Dt:
08/22/1994
7
KRETSCHMER, AXEL
Exec Dt:
07/28/1994
8
POTTER, THORSTEN
Exec Dt:
07/28/1994
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNZENTRALE RP
PATENTE KONZERN
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5623049
NONE
08300884
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN, ESQUIRE
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 12
Reel/Frame:007612/0072   Pages: 4
Recorded: 08/01/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHWEMLER, CHRISTOPH
Exec Dt:
07/05/1995
2
POTTER, THORSTEN
Exec Dt:
07/06/1995
3
MIELKE, BURKHARD
Exec Dt:
07/10/1995
4
SCHWENNER, ECKHARD
Exec Dt:
07/05/1995
5
KRETSCHMER, AXEL
Exec Dt:
07/05/1995
6
STROPP, UDO
Exec Dt:
07/05/1995
7
KOSCH, WINFRIED
Exec Dt:
07/05/1995
8
DURR, HANSJORG
Exec Dt:
07/05/1995
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNZENTRALE RP, PATENTE KONZERN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5955571
NONE
08509913
Correspondence name and address
LEONARD HORN
SPRUNG HORN KRAMER & WOODS
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144

Search Results as of: 05/09/2024 08:47 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