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Patent Assignment Assignor Details
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Assignor Name : SIRRENBERG, WILHELM
Total Assignments: 11
Assignment: 1
Reel/Frame:004121/0760   Pages: 1
Recorded: 04/22/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
04/13/1983
2
KLAUKE, ERICH
Exec Dt:
04/13/1983
3
HAMMANN, INGEBORG
Exec Dt:
04/13/1983
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4533676
NONE
06487799
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004142/0303   Pages: 1
Recorded: 06/13/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MARHOLD, ALBRECHT
Exec Dt:
06/03/1983
2
SIRRENBERG, WILHELM
Exec Dt:
06/03/1983
3
KLAUKE, ERICH
Exec Dt:
06/03/1983
4
HAMMANN, INGEBORG
Exec Dt:
06/03/1983
5
BECER, BENEDIKT
Exec Dt:
06/06/1983
6
KREHAN, INGOMAR
Exec Dt:
06/06/1983
7
STENDEL, WILHELM
Exec Dt:
06/06/1983
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4611003
NONE
06503938
Correspondence name and address
SPUNG, HORN, KRAMER AND WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 3
Reel/Frame:004239/0719   Pages: 1
Recorded: 03/15/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
03/01/1984
2
MAURER, FRITZ
Exec Dt:
03/01/1984
3
KLAUKE, ERICH
Exec Dt:
03/01/1984
4
BECKER, BENEDIKT
Exec Dt:
03/01/1984
5
STENDEL, WILHELM
Exec Dt:
03/01/1984
Assignee
1
BAYER AKTIENGESELLSCHAFT, A GERMAN CORP.
LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4552900
NONE
06589986
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004442/0557   Pages: 1
Recorded: 08/08/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
07/26/1985
2
MARHOLD, ALBRECHT
Exec Dt:
07/26/1985
3
BECKER, BENEDIKT
Exec Dt:
07/26/1985
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4613612
NONE
06763745
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THRID AVENUE
NEW YORK, NY 10016
Assignment: 5
Reel/Frame:004444/0272   Pages: 1
Recorded: 08/06/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
07/26/1985
2
MARHOLD, ALBRECHT
Exec Dt:
07/26/1985
3
BECKER, BENEDIKT
Exec Dt:
07/26/1985
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4757086
NONE
06762980
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:004502/0585   Pages: 1
Recorded: 01/08/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
12/20/1985
2
BRADEN, RUDOLPH
Exec Dt:
12/20/1985
3
ZIEMANN, HEINZ
Exec Dt:
12/20/1985
4
ZOEBELEIN, GERHARD
Exec Dt:
12/20/1985
5
PFLUGER, WOLFGANG
Exec Dt:
12/20/1985
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4764524
NONE
06816933
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:004733/0173   Pages: 1
Recorded: 06/25/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
06/10/1987
2
MARHOLD, ALBRECHT
Exec Dt:
06/10/1987
3
STEFFENS, ROBERT
Exec Dt:
06/10/1987
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4853397
NONE
07066920
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 8
Reel/Frame:004783/0001   Pages: 1
Recorded: 11/16/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
10/28/1987
2
BECKER, BENEDIKT
Exec Dt:
10/28/1987
3
BEHRENZ, WOLFGANG
Exec Dt:
10/28/1987
4
KREHAN, INGOMAR
Exec Dt:
10/28/1987
5
STENDEL, WILHELM
Exec Dt:
10/28/1987
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4782090
NONE
07121318
Correspondence name and address
SPRUNG HORN KRAMER AND WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 9
Reel/Frame:004812/0512   Pages: 1
Recorded: 11/10/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
10/28/1987
2
BECKER, BENEDIKT
Exec Dt:
10/28/1987
3
BEHRENZ, WOLFGANG
Exec Dt:
00/00/0000
4
KREHAN, INGOMAR
Exec Dt:
10/28/1987
5
STENDEL, WILHELM
Exec Dt:
10/28/1987
Assignee
1
BAYER AKTIENGESELLSCHAFT, LEVERKUSEN, GERMANY, A CORP. OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4782091
NONE
07118906
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 10
Reel/Frame:004973/0338   Pages: 1
Recorded: 11/09/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
10/20/1988
2
MARHOLD, ALBRECHT
Exec Dt:
10/20/1988
3
WACHENDORFF-NEUMANN, ULRIKE
Exec Dt:
10/20/1988
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4886823
NONE
07269263
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 11
Reel/Frame:006455/0671   Pages: 2
Recorded: 03/10/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SIRRENBERG, WILHELM
Exec Dt:
01/16/1993
2
LANTZSCH, REINHARD
Exec Dt:
01/12/1993
3
MARHOLD, ALBRECHT
Exec Dt:
01/07/1993
4
WACHENDORFF-NEUMANN, ULRIKE
Exec Dt:
01/14/1993
5
ELBERT, ALFRED
Exec Dt:
01/13/1993
Assignee
1
BAYER AG
KONZERNVERWALTUNG RP
5090 LEVERKUSEN-BAYERWERK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5405858
NONE
08028857
Correspondence name and address
LEONARD HORN
SPRUNG ET AL
1140 AVE. OF THE AMERICAS
NEW YORK, NY 10036

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