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Patent Assignment Assignor Details
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Assignor Name : KLEEFELD, GERD
Total Assignments: 15
Assignment: 1
Reel/Frame:005045/0841   Pages: 1
Recorded: 02/15/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/23/1989
2
Exec Dt:
01/23/1989
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07311327
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:005051/0607   Pages: 1
Recorded: 03/02/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/03/1989
2
Exec Dt:
02/03/1989
3
Exec Dt:
02/03/1989
4
Exec Dt:
02/03/1989
5
Exec Dt:
02/03/1989
6
Exec Dt:
02/03/1989
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07318026
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:005231/0466   Pages: 1
Recorded: 02/08/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/20/1990
2
Exec Dt:
01/20/1990
3
Exec Dt:
01/20/1990
4
Exec Dt:
01/20/1990
5
Exec Dt:
01/20/1990
Assignee
1
A CORPORATION OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07477271
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:005247/0394   Pages: 1
Recorded: 02/09/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/23/1990
2
Exec Dt:
01/23/1990
3
Exec Dt:
01/23/1990
4
Exec Dt:
01/23/1990
5
Exec Dt:
01/23/1990
Assignee
1
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07478119
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:005259/0144   Pages: 1
Recorded: 03/19/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/05/1990
2
Exec Dt:
03/05/1990
3
Exec Dt:
03/05/1990
4
Exec Dt:
03/05/1990
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07495528
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:005355/0474   Pages: 2
Recorded: 06/28/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/22/1990
2
Exec Dt:
06/22/1990
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07546143
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:005417/0562   Pages: 2
Recorded: 08/06/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/01/1990
2
Exec Dt:
08/01/1990
3
Exec Dt:
08/01/1990
4
Exec Dt:
08/01/1990
5
Exec Dt:
08/01/1990
6
Exec Dt:
08/01/1990
Assignee
1
LEVERKUSEN, BAYERWERK, GERMANY 5090
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07563178
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 8
Reel/Frame:005428/0189   Pages: 2
Recorded: 08/30/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/27/1990
2
Exec Dt:
08/27/1990
3
Exec Dt:
08/27/1990
4
Exec Dt:
08/27/1990
5
Exec Dt:
08/27/1990
6
Exec Dt:
08/27/1990
7
Exec Dt:
08/27/1990
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07575517
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 9
Reel/Frame:005907/0709   Pages: 2
Recorded: 10/10/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/24/1991
2
Exec Dt:
07/31/1991
3
Exec Dt:
07/24/1991
4
Exec Dt:
07/24/1991
5
Exec Dt:
07/31/1991
Assignee
1
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07775632
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 10
Reel/Frame:005888/0580   Pages: 2
Recorded: 10/17/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/18/1991
2
Exec Dt:
10/01/1991
3
Exec Dt:
09/18/1991
4
Exec Dt:
09/19/1991
5
Exec Dt:
09/23/1991
6
Exec Dt:
09/24/1991
7
Exec Dt:
09/23/1991
Assignee
1
A GERMAN CORPORATION
LEVERKUSEN BAYERWERK, GERMANY D 5090
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07777988
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 11
Reel/Frame:008184/0021   Pages: 3
Recorded: 09/09/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/07/1996
2
Exec Dt:
05/07/1996
3
Exec Dt:
05/28/1996
4
Exec Dt:
05/08/1996
5
Exec Dt:
05/08/1996
6
Exec Dt:
05/09/1996
7
Exec Dt:
05/10/1996
Assignee
1
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08676129
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 12
Reel/Frame:008681/0612   Pages: 3
Recorded: 06/06/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/03/1997
2
Exec Dt:
03/11/1997
3
Exec Dt:
03/06/1997
Assignee
1
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08860757
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
MARK W. RUSSELL, ESQ.
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 13
Reel/Frame:009232/0462   Pages: 3
Recorded: 02/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/28/1997
2
Exec Dt:
10/29/1997
Assignee
1
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09029106
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
CARMELLA A. O'GORMAN
660 WHITE PLAINS ROAD
TARRYTOWN, NY 120060
Assignment: 14
Reel/Frame:010011/0705   Pages: 2
Recorded: 05/11/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/08/1999
2
Exec Dt:
02/08/1999
3
Exec Dt:
02/08/1999
4
Exec Dt:
03/08/1999
5
Exec Dt:
02/17/1999
6
Exec Dt:
02/18/1999
7
Exec Dt:
02/22/1999
Assignee
1
KONZERNBEREICH RP
PATENT UND LIZENZEN
LEVERKUSEN, GERMANY D-513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09297964
Correspondence name and address
BAYER CORPORATION
CAROL MARMO
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:010876/0089   Pages: 2
Recorded: 05/09/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/20/2000
2
Exec Dt:
03/21/2000
3
Exec Dt:
03/21/2000
4
Exec Dt:
03/27/2000
5
Exec Dt:
03/29/2000
6
Exec Dt:
03/31/2000
7
Exec Dt:
04/03/2000
Assignee
1
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09554152
Correspondence name and address
BAYER CORPORATION
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741

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