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Patent Assignment Assignor Details
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Assignor Name : PREIKSZAS, DIRK
Total Assignments: 15
Assignment: 1
Reel/Frame:006357/0476   Pages: 3
Recorded: 12/21/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROSE, HARALD
Exec Dt:
11/30/1992
2
DEGENHARDT, RALF
Exec Dt:
10/30/1992
3
PREIKSZAS, DIRK
Exec Dt:
11/30/1992
Assignee
1
CARL-ZEISS-STIFTUNG
HEIDENHEIM/BRENZ
CARL ZEISS
7082 OBERKOCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5319207
NONE
07940844
Correspondence name and address
WALTER OTTESEN
PATENT ATTORNEY
12704 SPLIT CREEK COURT
GAITHERSBURG, MD 20878
Assignment: 2
Reel/Frame:014592/0136   Pages: 3
Recorded: 10/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROSE, HARALD
Exec Dt:
09/22/2003
2
PREIKSZAS, DIRK
Exec Dt:
09/04/2003
3
HARTEL, PETER
Exec Dt:
09/13/2003
Assignee
1
LEO ELEKTRONENMIKROSKOPIE GMBH
CARL-ZEISS-STRASSE 56
OBERKOCHEN, GERMANY 73446
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6855939
US20040036031
10644037
Correspondence name and address
WALTER OTTESEN
PATENT ATTORNEY
P.O. BOX
GAITHERSBURG, MARYLAND 208785-4026
Assignment: 3
Reel/Frame:014803/0390   Pages: 3
Recorded: 12/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PREIKSZAS, DIRK
Exec Dt:
09/04/2003
2
STEIGERWALD, MICHAEL
Exec Dt:
09/05/2003
3
HOFFROGGE, PETER
Exec Dt:
09/22/2003
4
GNAUCK, PETER
Exec Dt:
09/10/2003
Assignee
1
LEO ELEKTRONENMIKROSKOPIE GMBH
CARL-ZEISS-STRASSE 56
D-73447, OBERKOCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6855938
US20040084629
10619475
Correspondence name and address
BURNS, DOANE, SWECKER & MATHIS, L.L.P.
JAMES W. PETERSON
P.O. BOX 1404
ALEXANDRIA, VA 22313-1450
Assignment: 4
Reel/Frame:014791/0592   Pages: 3
Recorded: 12/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PREIKSZAS, DIRK
Exec Dt:
10/20/2003
2
STEIGERWALD, MICHAEL
Exec Dt:
10/20/2003
Assignee
1
LEO ELEKTRONENMIKROSKOPIE GMBH
CARL-ZEISS-STRASSE 56
D-73447, OBERKOCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7022987
US20040075053
10634810
Correspondence name and address
BURNS, DOANES, SWECKER & ET AL
JAMES W. PETERSON
P.O. BOX 1404
ALEXANDRIA, VA. 22313-1450
Assignment: 5
Reel/Frame:015660/0627   Pages: 2
Recorded: 08/09/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STEIGERWALD, MICHAEL D.G.
Exec Dt:
07/09/2004
2
PREIKSZAS, DIRK
Exec Dt:
07/19/2004
Assignee
1
CARL ZEISS NTS GMBH
CARL-ZEISS-STRASSE 56
73447 OBERKOCHEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7425701
US20040245465
10756797
Correspondence name and address
CHOATE, HALL & STEWART
DONALD W. MUIRHEAD
PATENT GROUP
EXCHANGE PLACE, 53 STATE STREET
BOSTON, MASSACHUSETTS 02109-2804
Assignment: 6
Reel/Frame:023387/0543   Pages: 2
Recorded: 10/17/2009
Attorney Dkt #:Z10307-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PREIKSZAS, DIRK
Exec Dt:
10/07/2009
Assignee
1
CARL ZEISS NTS GMBH
CARL-ZEISS-STRASSE 56
OBERKOCHEN, GERMANY 73447
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8217350
US20090309025
12448229
Correspondence name and address
BRUCE D RITER
101 FIRST STREET PMB 208
LOS ALTOS, CA 94022
Assignment: 7
Reel/Frame:024806/0227   Pages: 2
Recorded: 08/09/2010
Attorney Dkt #:FRM-089US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PREIKSZAS, DIRK
Exec Dt:
07/29/2010
Assignee
1
CARL ZEISS NTS GMBH
CARL-ZEISS-STRASSE 56
OBERKOCHEN, GERMANY 73447
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8421028
US20100258738
12733931
Correspondence name and address
MUIRHEAD AND SATURNELLI, LLC
200 FRIBERG PARKWAY
SUITE 1001
WESTBOROUGH, MA 01581
Assignment: 8
Reel/Frame:027697/0798   Pages: 2
Recorded: 02/14/2012
Attorney Dkt #:Z11398-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BENNER, GERD
Exec Dt:
01/20/2012
2
MEYER, STEFAN
Exec Dt:
01/19/2012
3
NIEDERBERGER, STEFFEN
Exec Dt:
02/10/2012
4
PREIKSZAS, DIRK
Exec Dt:
02/08/2012
Assignee
1
CARL ZEISS NTS GMBH
CARL-ZEISS-STRASSE 56
OBERKOCHEN, GERMANY 73447
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120326030
13337268
Correspondence name and address
BRUCE D RITER
101 FIRST STREET PMB 208
LOS ALTOS, CA 94022
Assignment: 9
Reel/Frame:028737/0701   Pages: 2
Recorded: 08/07/2012
Attorney Dkt #:FRM-120US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
PREIKSZAS, DIRK
Exec Dt:
07/16/2012
Assignee
1
CARL ZEISS MICROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120305797
13483614
Correspondence name and address
DONALD W. MUIRHEAD
MUIRHEAD AND SATURNELLI, LLC
200 FRIBERG PARKWAY, SUITE 1001
WESTBOROUGH, MA 01581
Assignment: 10
Reel/Frame:028942/0493   Pages: 2
Recorded: 09/12/2012
Attorney Dkt #:Z11398-US-I
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BENNER, GERD
Exec Dt:
08/10/2012
2
MEYER, STEFAN
Exec Dt:
08/10/2012
3
NIEDERBERGER, STEFFEN
Exec Dt:
09/12/2012
4
PREIKSZAS, DIRK
Exec Dt:
08/08/2012
Assignee
1
CARL ZEISS MICROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8476589
US20120326032
13539291
Correspondence name and address
BRUCE RITER
101 FIRST STREET PMB 208
LOS ALTOS, CA 94022
Assignment: 11
Reel/Frame:033991/0170   Pages: 6
Recorded: 10/21/2014
Attorney Dkt #:FRM-153USCON1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FOBER, JOERG
Exec Dt:
08/15/2014
2
FICHTER, EDGAR
Exec Dt:
08/19/2014
3
SCHUBERT, KAI
Exec Dt:
08/04/2014
4
PREIKSZAS, DIRK
Exec Dt:
08/04/2014
5
HENDRICH, CHRISTIAN
Exec Dt:
08/08/2014
6
MOMMSEN, MOMME
Exec Dt:
09/29/2014
7
SCHNELL, MICHAEL
Exec Dt:
08/08/2014
8
LECHNER, LORENZ
Exec Dt:
08/14/2014
Assignee
1
CARL ZEISS MICROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9312093
NONE
14321921
Correspondence name and address
MUIRHEAD AND SATURNELLI, LLC
200 FRIBERG PARKWAY
SUITE 1001
WESTBOROUGH, MA 01581
Assignment: 12
Reel/Frame:060418/0115   Pages: 3
Recorded: 07/01/2022
Attorney Dkt #:FRM-231US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PREIKSZAS, DIRK
Exec Dt:
05/18/2022
2
PHANEUF, MICHAEL W.
Exec Dt:
06/09/2022
Assignee
1
CARL ZEISS MICROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12288664
US20220367142
17695879
Correspondence name and address
MUIRHEAD AND SATURNELLI, LLC
200 FRIBERG PARKWAY
SUITE 1001
WESTBOROUGH, MA 01581
Assignment: 13
Reel/Frame:067199/0093   Pages: 22
Recorded: 04/23/2024
Attorney Dkt #:23505-0087001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PREIKSZAS, DIRK
Exec Dt:
02/12/2024
2
GAMM, BJÖRN
Exec Dt:
02/14/2024
3
NOVIKAU, YAUHENI
Exec Dt:
02/12/2024
4
WOLLESCHENSKY, RALF
Exec Dt:
02/12/2024
Assignee
1
CARL ZEISS MICROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240258065
18424034
Correspondence name and address
SEAN P. DALEY
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 14
Reel/Frame:067240/0378   Pages: 8
Recorded: 04/26/2024
Attorney Dkt #:23505-0090001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESSERS, ERIK
Exec Dt:
04/04/2024
2
PREIKSZAS, DIRK
Exec Dt:
03/28/2024
Assignee
1
CARL ZEISS MICROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240302542
18600229
Correspondence name and address
SEAN P. DALEY
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 15
Reel/Frame:067734/0217   Pages: 6
Recorded: 06/14/2024
Attorney Dkt #:23505-0094001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PREIKSZAS, DIRK
Exec Dt:
05/24/2024
2
POMMERENKE, JUERGEN
Exec Dt:
06/04/2024
Assignee
1
CARL ZEISS MICROSCOPY GMBH
CARL-ZEISS-PROMENADE 10
JENA, GERMANY 07745
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240371597
18654627
Correspondence name and address
SEAN P. DALEY
P.O. BOX 1022
MINNEAPOLIS, MN 55440-1022

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