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Patent Assignment Assignor Details
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Assignor Name : DUBNACK, STEFFEN
Total Assignments: 11
Assignment: 1
Reel/Frame:009818/0282   Pages: 3
Recorded: 03/05/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBNACK, STEFFEN
Exec Dt:
02/11/1999
Assignee
1
CARL ZEISS JENA GMBH
TATZENDPROMENADE 1A
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6312422
NONE
09263620
Correspondence name and address
MCAULAY NISSEN ET AL
GERALD H. KIEL, ESQ.
261 MADISON AVENUE
NEW YORK, NY 10016-2391
Assignment: 2
Reel/Frame:010258/0031   Pages: 3
Recorded: 09/10/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
DUBNACK, STEFFEN
Exec Dt:
09/06/1999
Assignee
1
CARL ZEISS JENA GMBH
TATZENDPROMENADE 1A
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6347244
NONE
09394535
Correspondence name and address
MCAULAY NISSEN GOLDBERG KIEL & HAND, LLP
GERALD H. KIEL, ESQ.
261 MADISON AVENUE
NEW YORK, NY 10016-2391
Assignment: 3
Reel/Frame:010349/0336   Pages: 3
Recorded: 09/17/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNACK, STEFFEN
Exec Dt:
09/06/1999
2
ERNSPERGER, STEFAN
Exec Dt:
09/06/1999
3
LUEMKEMANN, FRANK
Exec Dt:
09/13/1999
4
WEIGAND, HEINO
Exec Dt:
09/06/1999
Assignee
1
CARL ZEISS JENA GMBH
TATZENDPROMENADE 1A
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6177988
NONE
09398750
Correspondence name and address
MCAULAY, NISSEN, GOLDBERG, KIEL & HAND
GERALD H. KIEL, ESQ.
261 MADISON AVENUE
NEW YORK, NY 10016-2391
Assignment: 4
Reel/Frame:012579/0253   Pages: 3
Recorded: 02/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNACK, STEFFEN
Exec Dt:
12/10/2001
2
PREUSS, DIRK
Exec Dt:
12/10/2001
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6749603
US20030036756
09933857
Correspondence name and address
REED SMITH LLP
GERALD H. KIEL, ESQ.
375 PARK AVENUE
NEW YORK, NY 10152
Assignment: 5
Reel/Frame:013088/0664   Pages: 3
Recorded: 07/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNACK, STEFFEN
Exec Dt:
05/27/2002
2
PREUSS, DIRK
Exec Dt:
05/28/2002
Assignee
1
CARL ZEISS JENA GMBH
CARL-ZEISS-PROMENDADE 10
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6907179
US20020181927
10116181
Correspondence name and address
REED SMITH LLP
GERALD H. KIEL, ESQ.
599 LEXINGTON AVENUE
NEW YORK, NY 10022
Assignment: 6
Reel/Frame:014974/0306   Pages: 3
Recorded: 02/06/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNACK, STEFFEN
Exec Dt:
02/02/2004
2
PRUESS, DIRK
Exec Dt:
02/04/2004
Assignee
1
CARL ZEISS MEDITEC AG
GOESCHWITZER STRASSE 51-52
07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040162503
10773669
Correspondence name and address
REED SMITH LLP
GERALD H. KIEL
599 LEXINGTON AVENUE
NEW YORK, NY 10022-7650
Assignment: 7
Reel/Frame:017645/0317   Pages: 5
Recorded: 05/19/2006
Attorney Dkt #:GK-ZEI-3226/500343.20238
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE SPELLING OF THE 2ND INVENTOR'S NAME DIRK PREUSS NOT PRUESS AS LISTED ON THE ORIGINAL PTO-1595 PREVIOUSLY RECORDED ON REEL 014974 FRAME 0306. ASSIGNOR(S) HEREBY CONFIRMS THE 2ND INVENTORS NAME IS DIRK PREUSS..
Assignors
1
DUBNACK, STEFFEN
Exec Dt:
02/02/2004
2
PREUSS, DIRK
Exec Dt:
02/04/2004
Assignee
1
CARL ZEISS MEDITEC AG
GOESCHWITZER STRASSE 51-52
JENA, GERMANY D-07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040162503
10773669
Correspondence name and address
REED SMITH LLP
599 LEXINGTON AVENUE
NEW YORK, NY 10022-7650
Assignment: 8
Reel/Frame:016648/0582   Pages: 4
Recorded: 08/18/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNACK, STEFFEN
Exec Dt:
07/05/2005
2
WIECHMANN, MARTIN
Exec Dt:
07/05/2005
Assignee
1
CARL ZEISS MEDITEC AG
GOESCHWITZER STRASSE 51-52
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060210277
11090580
Correspondence name and address
REED SMITH LLP
C/O GERALD H. KIEL
599 LEXINGTON AVENUE
NEW YORK, NY 10022-7650
Assignment: 9
Reel/Frame:016648/0575   Pages: 3
Recorded: 08/18/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUBNACK, STEFFEN
Exec Dt:
07/07/2005
2
PREUSS, DIRK
Exec Dt:
07/07/2005
Assignee
1
CARL ZEISS MEDITEC AG
GOESCHWITZER STRASSE 51-52
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7527624
US20060069386
11096414
Correspondence name and address
REED SMITH LLP
C/O GERALD H. KIEL
599 LEXINGTON AVENUE
NEW YORK, NEW YORK 10022-7650
Assignment: 10
Reel/Frame:021276/0175   Pages: 4
Recorded: 07/23/2008
Attorney Dkt #:3081.226US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUEHLHOFF, DIRK
Exec Dt:
02/04/2008
2
EBERT, ELKE
Exec Dt:
02/16/2008
3
FESTAG, KARSTEN
Exec Dt:
01/22/2008
4
WOLF, UWE
Exec Dt:
01/09/2008
5
PREUSS, DIRK
Exec Dt:
01/22/2008
6
BISCHOFF, MARK
Exec Dt:
01/22/2008
7
STOBRAWA, GREGOR
Exec Dt:
01/22/2008
8
STEINMETZ, DIETMAR
Exec Dt:
01/22/2008
9
DUBNACK, STEFFEN
Exec Dt:
01/22/2008
Assignee
1
CARL ZEISS MEDITEC AG
GOESCHWITZER STRASSE 51-52
JENA, GERMANY D-07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8944601
US20080234707
12064575
Correspondence name and address
DOUGLAS J. CHRISTENSEN
80 SOUTH EIGHTH STREET
4800 IDS CENTER
MINNEAPOLIS, MN 55402
Assignment: 11
Reel/Frame:026755/0444   Pages: 5
Recorded: 08/16/2011
Attorney Dkt #:3795.58WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ANTKOWIAK, GERARD
Exec Dt:
05/12/2011
2
HACKER, MARTIN
Exec Dt:
05/12/2011
3
KOSCHMIEDER, INGO
Exec Dt:
05/13/2011
4
BERGNER, ROLAND
Exec Dt:
05/18/2011
5
EBERSBACH, RALF
Exec Dt:
05/12/2011
6
PABST, THOMAS
Exec Dt:
05/12/2011
7
HOFMANN, EBERHARD
Exec Dt:
05/12/2011
8
GUENTZSCHEL, MICHAEL
Exec Dt:
05/12/2011
9
DUBNACK, STEFFEN
Exec Dt:
05/23/2011
Assignee
1
CARL ZEISS MEDITEC AG
GOESCHWITZER-STRASSE 51-52
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8967808
US20110299038
13127692
Correspondence name and address
DOUGLAS J. CHRISTENSEN
4800 IDS CENTER
80 SOUTH EIGHTH STREET
MINNEAPOLIS, MN 55402

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