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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 : ECKSTEIN, UDO
Total Assignments: 13
Assignment: 1
Reel/Frame:004085/0739   Pages: 1
Recorded: 01/14/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
12/30/1982
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06458085
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004202/0284   Pages: 1
Recorded: 11/30/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/09/1983
Assignee
1
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06556715
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004328/0179   Pages: 1
Recorded: 10/18/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/28/1984
2
Exec Dt:
09/28/1984
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06662470
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004666/0074   Pages: 1
Recorded: 02/05/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/21/1987
2
Exec Dt:
01/21/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07010932
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:004673/0891   Pages: 1
Recorded: 02/27/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
02/20/1987
Assignee
1
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07020292
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:004874/0626   Pages: 1
Recorded: 03/01/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/10/1988
2
Exec Dt:
02/10/1988
3
Exec Dt:
02/10/1988
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07162531
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:004930/0817   Pages: 1
Recorded: 08/12/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/22/1988
2
Exec Dt:
07/22/1988
3
Exec Dt:
07/22/1988
Assignee
1
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07231796
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NEW YORK 10016
Assignment: 8
Reel/Frame:005497/0072   Pages: 2
Recorded: 10/31/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
10/26/1990
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07607192
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 9
Reel/Frame:008740/0105   Pages: 3
Recorded: 06/27/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/30/1997
2
Exec Dt:
04/11/1997
3
Exec Dt:
04/25/1997
4
Exec Dt:
04/11/1997
5
Exec Dt:
04/25/1997
6
Exec Dt:
04/28/1997
7
Exec Dt:
04/11/1997
Assignee
1
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08860503
Correspondence name and address
SPRUNG KRAMER SCHAEFER ET AL.
WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 10
Reel/Frame:008976/0065   Pages: 3
Recorded: 02/11/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/08/1997
2
Exec Dt:
12/04/1997
3
Exec Dt:
12/05/1997
4
Exec Dt:
12/05/1997
Assignee
1
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09022337
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
PAU LJ. JUETTNER
660 WHITE PLAINS RD.
TARRYTOWN, NY 10591-5144
Assignment: 11
Reel/Frame:009723/0587   Pages: 3
Recorded: 05/27/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/10/1998
2
Exec Dt:
02/27/1998
3
Exec Dt:
02/27/1998
4
Exec Dt:
02/27/1998
5
Exec Dt:
03/05/1998
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09077120
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
KURT G. BRISCOE
660 WHITE PLAINS ROAD
TARRYTOWN, NEW YORK 10591-5144
Assignment: 12
Reel/Frame:009728/0683   Pages: 2
Recorded: 01/22/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/30/1998
2
Exec Dt:
11/26/1998
3
Exec Dt:
11/27/1998
4
Exec Dt:
11/27/1998
Assignee
1
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09230108
Correspondence name and address
BAYER CORPORATION
RICHARD E.L. HENDERSON
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:012613/0784   Pages: 2
Recorded: 09/13/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/09/2000
2
Exec Dt:
01/15/2000
3
Exec Dt:
01/27/2000
4
Exec Dt:
01/20/2000
5
Exec Dt:
01/11/2000
6
Exec Dt:
01/11/2000
7
Exec Dt:
01/07/2000
Assignee
1
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09463208
Correspondence name and address
BAYER CORPORATION
RICHARD E. L. HENDERSON
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741

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