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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 : STEINBERGER, HELMUT
Total Assignments: 16
Assignment: 1
Reel/Frame:003951/0832   Pages: 1
Recorded: 09/24/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/17/1981
2
Exec Dt:
09/17/1981
3
Exec Dt:
09/17/1981
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06305660
Correspondence name and address
SPRUNG, FELFE, HORN,
LYNCH & KRAMER
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004041/0175   Pages: 1
Recorded: 08/26/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/06/1982
2
Exec Dt:
08/06/1982
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06411751
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004077/0150   Pages: 1
Recorded: 12/10/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/26/1982
2
Exec Dt:
11/26/1982
3
Exec Dt:
11/26/1982
Assignee
1
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06448839
Correspondence name and address
CONNOLLY AND HUTZ
THE FARMERS BANK BLDG.
WILMINGTON, DE 19899
Assignment: 4
Reel/Frame:004076/0536   Pages: 1
Recorded: 12/10/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/01/1982
2
Exec Dt:
12/01/1982
Assignee
1
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06448589
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:004076/0537   Pages: 1
Recorded: 12/10/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/01/1982
2
Exec Dt:
12/01/1982
Assignee
1
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06448590
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:004085/0555   Pages: 1
Recorded: 12/30/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/17/1982
2
Exec Dt:
12/17/1982
3
Exec Dt:
12/17/1982
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06454829
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:004085/0569   Pages: 1
Recorded: 12/30/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/17/1982
2
Exec Dt:
12/17/1982
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06454893
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 8
Reel/Frame:004196/0338   Pages: 1
Recorded: 11/14/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/07/1983
2
Exec Dt:
11/07/1983
3
Exec Dt:
11/07/1983
Assignee
1
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06550834
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 9
Reel/Frame:004249/0012   Pages: 1
Recorded: 04/13/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/23/1984
2
Exec Dt:
03/23/1984
3
Exec Dt:
03/23/1984
4
Exec Dt:
03/23/1984
5
Exec Dt:
03/23/1984
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06600046
Correspondence name and address
PATENT DEPARTMENT
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:004277/0169   Pages: 1
Recorded: 06/21/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/04/1984
2
Exec Dt:
06/04/1984
3
Exec Dt:
06/04/1984
4
Exec Dt:
06/04/1984
Assignee
1
A GERMAN CORP.
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06622945
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 11
Reel/Frame:005687/0025   Pages: 2
Recorded: 04/24/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/22/1991
2
Exec Dt:
03/22/1991
3
Exec Dt:
03/22/1991
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07690415
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 12
Reel/Frame:008580/0932   Pages: 3
Recorded: 05/30/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/22/1997
2
Exec Dt:
05/22/1997
3
Exec Dt:
05/23/1997
4
Exec Dt:
05/23/1997
Assignee
1
D-51368 LEVERKUSEN, GERMAN DEMOCRATIC REPUBLIC
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08867150
Correspondence name and address
SPRNG KRAMER SCHAEFER & BRISCOE
WILLIAM C. GERSTENZANG
660 WHITE PLAINS ROAD
TARRYTOWN, NEW YORK 10591-5144
Assignment: 13
Reel/Frame:009202/0697   Pages: 3
Recorded: 05/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/13/1998
2
Exec Dt:
03/16/1998
3
Exec Dt:
03/13/1998
4
Exec Dt:
03/17/1998
Assignee
1
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09071658
Correspondence name and address
SPRUNG KRAMER SCHAEFER & BRISCOE
WILLIAM C. GERSTENZANG, ESQ.
660 WHITE PLAINS RD.
TARRYTOWN, NY 10591-5144
Assignment: 14
Reel/Frame:013548/0508   Pages: 3
Recorded: 12/02/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/07/2002
2
Exec Dt:
10/15/2002
3
Exec Dt:
10/16/2002
Assignees
1
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
2
40699 ERKRATH, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10277404
Correspondence name and address
BAYER CORPORATION
N. DENISE BROWN
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:016039/0962   Pages: 2
Recorded: 12/03/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/07/2004
2
Exec Dt:
10/29/2004
Assignee
1
D51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10493184
Correspondence name and address
BAYER MATERIALSCIENCE LLC
ARON PREIS
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 16
Reel/Frame:019785/0379   Pages: 4
Recorded: 08/30/2007
Attorney Dkt #:1302-452 (US197932)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/11/2007
2
Exec Dt:
07/10/2007
3
Exec Dt:
07/10/2007
4
Exec Dt:
07/10/2007
Assignee
1
187 DANBURY ROAD
WILTON, CONNECTICUT 06897
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11827974
Correspondence name and address
DILWORTH & BARRESE, LLP
333 EARLE OVINGTON BLVD.
SUITE 702
UNIONDALE, NY 11553

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