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Patent Assignment Assignor Details
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Assignor Name : KERSTAN, FELIX
Total Assignments: 13
Assignment: 1
Reel/Frame:005029/0059   Pages: 1
Recorded: 01/30/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MOHR, JOACHIM
Exec Dt:
12/19/1988
2
KERSTAN, FELIX
Exec Dt:
12/19/1988
Assignee
1
JENOPTIK JENA GMBH
POSTFACH 190
JENA 6900, GERMAN DEMOCRATIC REPUBLIC
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4979823
NONE
07267050
Correspondence name and address
JORDAN & HAMBURG
122 EAST 42ND STREET
NEW YORK, NY 10168
Assignment: 2
Reel/Frame:012709/0148   Pages: 3
Recorded: 03/14/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLARNER, ULLRICH
Exec Dt:
03/05/2002
2
CORRENS, NICO
Exec Dt:
03/02/2002
3
HOYME, WERNER
Exec Dt:
03/05/2002
4
KERSTAN, FELIX
Exec Dt:
03/05/2002
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6654186
US20020171956
10098901
Correspondence name and address
REED SMITH LLP
GERALD H. KIEL, ESQ.
375 PARK AVENUE
NEW YORK, NY 10152
Assignment: 3
Reel/Frame:013605/0800   Pages: 3
Recorded: 12/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRITSCH, MANFRED
Exec Dt:
11/18/2002
2
KERSTAN, FELIX
Exec Dt:
11/07/2002
3
CORRENS, NICO
Exec Dt:
11/07/2002
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6762409
US20030071217
10223934
Correspondence name and address
REED SMITH LLP
GERALD H. KIEL
599 LEXINGTON AVENUE
NEW YORK, NY 10022
Assignment: 4
Reel/Frame:013514/0750   Pages: 3
Recorded: 11/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERSTAN, FELIX
Exec Dt:
11/13/2002
2
HOYME, WERNER
Exec Dt:
11/18/2002
3
CORRENS, NICO
Exec Dt:
11/13/2002
4
KLARNER, ULLRICH
Exec Dt:
11/13/2002
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6888637
US20030103204
10302180
Correspondence name and address
REED SMITH LLP
GERALD H. KIEL, ESQ.
599 LEXINGTON
NEW YORK, NY 10022
Assignment: 5
Reel/Frame:014432/0944   Pages: 3
Recorded: 04/24/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CORRENS, NICO
Exec Dt:
03/07/2003
2
KLARNER, ULLRICH
Exec Dt:
03/06/2003
3
HOYME, WERNER
Exec Dt:
03/06/2003
4
KERSTAN, FELIX
Exec Dt:
03/06/2003
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7082003
US20040027565
10415213
Correspondence name and address
GERALD H. KIEL, ESQ.
REED SMITH LLP
599 LEXINGTON
NEW YORK, NY 10022
Assignment: 6
Reel/Frame:017547/0857   Pages: 3
Recorded: 01/23/2006
Attorney Dkt #:GK-ZEI-3283/500343.20304
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERSTAN, FELIX
Exec Dt:
07/28/2005
2
KLARNER, ULLRICH
Exec Dt:
08/08/2005
3
CORRENS, NICO
Exec Dt:
07/28/2005
4
TUMPACH, GREGOR
Exec Dt:
07/28/2005
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7369228
US20060139636
10544555
Correspondence name and address
REED SMITH LLP
C/O GERALD H. KIEL
599 LEXINGTON AVENUE
NEW YORK, NY 10022
Assignment: 7
Reel/Frame:017525/0371   Pages: 3
Recorded: 04/25/2006
Attorney Dkt #:GK-ZEI-3296/500343.20317
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRITSCH, MANFRED
Exec Dt:
12/28/2005
2
CORRENS, NICO
Exec Dt:
12/28/2005
3
KERSTAN, FELIX
Exec Dt:
12/28/2005
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY D-07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7502108
US20070195323
10559175
Correspondence name and address
REED SMITH LLP
599 LEXINGTON AVENUE
NEW YORK, NY 10022-7650
Assignment: 8
Reel/Frame:017486/0237   Pages: 3
Recorded: 01/20/2006
Attorney Dkt #:GK-ZEI-3297/500343/20318
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERSTAN, FELIX
Exec Dt:
01/09/2006
2
ZEH, ULRICH
Exec Dt:
01/09/2006
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7573023
US20060163460
11335937
Correspondence name and address
REED SMITH LLP
C/O GERALD H. KIEL
599 LEXINGTON AVENUE
NEW YORK, NY 10022-7650
Assignment: 9
Reel/Frame:017599/0933   Pages: 3
Recorded: 05/10/2006
Attorney Dkt #:GK-ZEI-3306/500343.20327
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERSTAN, FELIX
Exec Dt:
04/24/2006
2
CORRENS, NICO
Exec Dt:
04/21/2006
Assignee
1
CARL ZEISS MICROIMAGING GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY D-07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7692790
US20060268270
11382584
Correspondence name and address
REED SMITH LLP
599 LEXINGTON AVENUE
NEW YORK, NY 10022-7650
Assignment: 10
Reel/Frame:021646/0213   Pages: 3
Recorded: 10/01/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERSTAN, FELIX
Exec Dt:
07/21/2008
2
CORRENS, NICO
Exec Dt:
07/08/2008
3
MARGRAF, JOERG
Exec Dt:
07/21/2008
Assignee
1
CARL ZEISS MICROIMAGING GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8111396
US20090168060
12225904
Correspondence name and address
REED SMITH LLP
C/O EUGENE LEDONNE
599 LEXINGTON AVENUE
NEW YORK, NY 10022-7650
Assignment: 11
Reel/Frame:022068/0019   Pages: 4
Recorded: 01/07/2009
Attorney Dkt #:3081.262US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JENS
Exec Dt:
09/18/2008
2
CORRENS, NICO
Exec Dt:
09/16/2008
3
FREYTAG, LUTZ
Exec Dt:
09/16/2008
4
KERSTAN, FELIX
Exec Dt:
09/16/2008
5
JOCHMANN, DORIS
Exec Dt:
09/16/2008
6
ZIENER, CARSTEN
Exec Dt:
09/20/2008
7
FOERSCHLER, GERHARD
Exec Dt:
12/03/2008
Assignee
1
CARL ZEISS MICROIMAGING GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8102526
US20090103089
12236889
Correspondence name and address
DOUGLAS J. CHRISTENSEN
80 SOUTH 8TH STREET
4800 IDS CENTER
MINNEAPOLIS, MN 55402
Assignment: 12
Reel/Frame:057607/0225   Pages: 3
Recorded: 09/27/2021
Attorney Dkt #:2057/90
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KERSTAN, FELIX
Exec Dt:
07/13/2021
2
GOBEL, JUERGEN
Exec Dt:
07/20/2021
Assignee
1
CARL ZEISS SPECTROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11940378
US20220187196
17432133
Correspondence name and address
MAYER & WILLIAMS PC
55 MADISON AVENUE, SUITE 400
MORRISTOWN, NJ 07960
Assignment: 13
Reel/Frame:062983/0832   Pages: 10
Recorded: 03/15/2023
Attorney Dkt #:2057/100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIER, CLEMENS MICHAEL
Exec Dt:
01/24/2023
2
BÜTTNER, TORSTEN
Exec Dt:
01/31/2023
3
BARTH, MICHAEL
Exec Dt:
01/15/2023
4
KERSTAN, FELIX
Exec Dt:
02/08/2023
Assignee
1
CARL ZEISS SPECTROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230243741
18009764
Correspondence name and address
MAYER & WILLIAMS PC
55 MADISON AVENUE, SUITE 400
MORRISTOWN, NJ 07960

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