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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, A GERMAN CORP
Total Assignments: 35
Assignment: 1
Reel/Frame:004164/0825   Pages: 1
Recorded: 08/10/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/03/1983
2
Exec Dt:
08/03/1983
3
Exec Dt:
08/03/1983
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06522069
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004179/0680   Pages: 1
Recorded: 09/27/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/22/1983
2
Exec Dt:
09/22/1983
3
Exec Dt:
09/22/1983
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06536411
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004258/0155   Pages: 1
Recorded: 05/04/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/06/1984
2
Exec Dt:
04/06/1984
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06607354
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004324/0821   Pages: 1
Recorded: 10/09/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/20/1984
2
Exec Dt:
09/20/1984
3
Exec Dt:
09/20/1984
4
Exec Dt:
09/20/1984
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06658865
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 5
Reel/Frame:004329/0819   Pages: 1
Recorded: 10/29/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/05/1984
2
Exec Dt:
10/05/1984
3
Exec Dt:
10/05/1984
4
Exec Dt:
10/05/1984
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06665799
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:004330/0114   Pages: 1
Recorded: 11/23/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/10/1984
2
Exec Dt:
10/10/1984
3
Exec Dt:
10/10/1984
4
Exec Dt:
10/10/1984
5
Exec Dt:
10/10/1984
6
Exec Dt:
10/10/1984
7
Exec Dt:
10/10/1984
Assignee
1
KONZERNVERWALTUNG RP
PATENTABTEILUNG 5090
BAYERWERK-LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06456141
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 3RD AVE.
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:004343/0975   Pages: 1
Recorded: 12/07/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/26/1984
2
Exec Dt:
11/26/1984
3
Exec Dt:
11/26/1984
4
Exec Dt:
11/26/1984
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06679181
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 8
Reel/Frame:004394/0052   Pages: 1
Recorded: 04/10/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/22/1985
2
Exec Dt:
03/22/1985
3
Exec Dt:
03/22/1985
Assignee
1
LEVERKISEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06721738
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 9
Reel/Frame:004577/0738   Pages: 1
Recorded: 07/11/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/25/1986
2
Exec Dt:
06/25/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06884831
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORP.
MOBAY RD.
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:004587/0218   Pages: 1
Recorded: 07/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/04/1986
2
Exec Dt:
07/04/1986
3
Exec Dt:
07/04/1986
4
Exec Dt:
07/04/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06891491
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 11
Reel/Frame:004588/0450   Pages: 1
Recorded: 08/06/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/17/1986
2
Exec Dt:
07/17/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06893601
Correspondence name and address
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 12
Reel/Frame:004630/0814   Pages: 1
Recorded: 10/02/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/05/1986
2
Exec Dt:
09/05/1986
3
Exec Dt:
09/05/1986
4
Exec Dt:
09/05/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06914669
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 13
Reel/Frame:004633/0608   Pages: 1
Recorded: 11/06/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/08/1986
2
Exec Dt:
09/08/1986
3
Exec Dt:
09/08/1986
4
Exec Dt:
10/20/1986
5
Exec Dt:
10/20/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06927909
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 14
Reel/Frame:004613/0673   Pages: 1
Recorded: 10/02/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/11/1986
2
Exec Dt:
09/11/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06914439
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 15
Reel/Frame:004613/0551   Pages: 1
Recorded: 10/01/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/19/1986
2
Exec Dt:
09/19/1986
3
Exec Dt:
09/19/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06914110
Correspondence name and address
PATENT DEPT.
MOBAY CORP.
MOBAY RD.
PITTSBURGH, PA 15205-9741
Assignment: 16
Reel/Frame:004618/0580   Pages: 1
Recorded: 10/16/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/02/1986
2
Exec Dt:
10/02/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06920102
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 17
Reel/Frame:004644/0765   Pages: 1
Recorded: 11/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/24/1986
2
Exec Dt:
10/24/1986
3
Exec Dt:
10/24/1986
4
Exec Dt:
10/24/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06933729
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 18
Reel/Frame:004630/0319   Pages: 1
Recorded: 11/17/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/29/1986
2
Exec Dt:
10/31/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06931353
Correspondence name and address
CONNOLLY & HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 19
Reel/Frame:004630/0274   Pages: 2
Recorded: 11/14/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/03/1986
2
Exec Dt:
11/04/1986
3
Exec Dt:
11/04/1986
4
Exec Dt:
11/04/1986
5
Exec Dt:
11/04/1986
6
Exec Dt:
11/04/1986
7
Exec Dt:
11/04/1986
8
Exec Dt:
11/04/1986
9
Exec Dt:
11/04/1986
10
Exec Dt:
11/04/1986
11
Exec Dt:
11/04/1986
12
Exec Dt:
11/04/1986
13
Exec Dt:
11/04/1986
14
Exec Dt:
11/04/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06931380
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 20
Reel/Frame:004640/0173   Pages: 1
Recorded: 12/04/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/07/1986
2
Exec Dt:
11/07/1986
3
Exec Dt:
11/07/1986
4
Exec Dt:
11/07/1986
5
Exec Dt:
11/07/1986
6
Exec Dt:
11/07/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06938203
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 21
Reel/Frame:004638/0948   Pages: 1
Recorded: 11/28/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/14/1986
2
Exec Dt:
11/14/1986
3
Exec Dt:
11/14/1986
4
Exec Dt:
11/14/1986
5
Exec Dt:
11/14/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06935824
Correspondence name and address
CONNOLLY AND HUTZ
P. O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 22
Reel/Frame:004639/0697   Pages: 1
Recorded: 12/04/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/18/1986
2
Exec Dt:
11/18/1986
3
Exec Dt:
11/18/1986
4
Exec Dt:
11/18/1986
5
Exec Dt:
11/18/1986
6
Exec Dt:
11/18/1986
7
Exec Dt:
11/18/1986
8
Exec Dt:
11/18/1986
9
Exec Dt:
11/18/1986
10
Exec Dt:
11/18/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06937687
Correspondence name and address
CONNOLLY AND HUTZ
1220 MARKET BLDG.
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 23
Reel/Frame:004639/0647   Pages: 1
Recorded: 12/04/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/20/1986
2
Exec Dt:
11/20/1986
3
Exec Dt:
11/20/1986
4
Exec Dt:
11/20/1986
5
Exec Dt:
11/20/1986
6
Exec Dt:
11/20/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06937870
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 24
Reel/Frame:004648/0737   Pages: 1
Recorded: 12/16/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/21/1986
2
Exec Dt:
11/21/1986
3
Exec Dt:
11/21/1986
4
Exec Dt:
11/21/1986
5
Exec Dt:
11/21/1986
6
Exec Dt:
11/21/1986
7
Exec Dt:
11/21/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06942141
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 25
Reel/Frame:004657/0094   Pages: 1
Recorded: 12/30/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/18/1986
2
Exec Dt:
12/18/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06947668
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 26
Reel/Frame:004659/0591   Pages: 1
Recorded: 01/13/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/05/1987
2
Exec Dt:
01/05/1987
3
Exec Dt:
01/05/1987
4
Exec Dt:
01/05/1987
5
Exec Dt:
01/05/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07002881
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 27
Reel/Frame:004661/0729   Pages: 1
Recorded: 01/27/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/05/1987
2
Exec Dt:
01/05/1987
3
Exec Dt:
01/05/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07007048
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 28
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: 29
Reel/Frame:004671/0110   Pages: 1
Recorded: 02/06/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
01/29/1987
2
Exec Dt:
01/29/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07011648
Correspondence name and address
PATENT DEPARTMENT
MOBAY CORPORATION
MOBAY ROAD
PITTSBURGH, PA 15205-9741
Assignment: 30
Reel/Frame:004698/0116   Pages: 1
Recorded: 04/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/27/1987
2
Exec Dt:
03/27/1987
3
Exec Dt:
03/27/1987
4
Exec Dt:
03/27/1987
5
Exec Dt:
03/27/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07039550
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 31
Reel/Frame:004710/0401   Pages: 1
Recorded: 05/07/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/15/1987
2
Exec Dt:
04/15/1987
3
Exec Dt:
04/15/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07047240
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 32
Reel/Frame:004709/0807   Pages: 1
Recorded: 05/04/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/23/1987
2
Exec Dt:
04/23/1987
3
Exec Dt:
04/23/1987
Assignee
1
LEVERSKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07046482
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 33
Reel/Frame:004710/0370   Pages: 1
Recorded: 05/05/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/24/1987
2
Exec Dt:
04/24/1987
3
Exec Dt:
04/24/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07047222
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 34
Reel/Frame:004728/0281   Pages: 1
Recorded: 05/26/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
05/07/1987
2
Exec Dt:
05/07/1987
3
Exec Dt:
05/07/1987
4
Exec Dt:
05/07/1987
5
Exec Dt:
05/07/1987
6
Exec Dt:
05/07/1987
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07053869
Correspondence name and address
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 35
Reel/Frame:004981/0142   Pages: 1
Recorded: 11/23/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/10/1988
2
Exec Dt:
11/10/1988
3
Exec Dt:
11/10/1988
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07275301
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016

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