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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : SEIFERT, HELMUT
Total Assignments: 26
Assignment: 1
Reel/Frame:003885/0110   Pages: 1
Recorded: 07/27/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/10/1979
2
Exec Dt:
07/10/1979
3
Exec Dt:
07/10/1979
4
Exec Dt:
07/10/1979
Assignee
1
A GERMAN CORP.
ALFDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06059636
Correspondence name and address
HERBERT L. LERNER
29 ROSLYN RD.
MINEOLA, N. Y. 11501
Assignment: 2
Reel/Frame:003906/0288   Pages: 1
Recorded: 06/09/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/10/1979
2
Exec Dt:
07/10/1979
3
Exec Dt:
07/10/1979
4
Exec Dt:
07/10/1979
Assignee
1
A CORP. OF GERMANY
ALFDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06271829
Correspondence name and address
HERBERT L. LERNER
29 ROSLYN RD.
MINEOLA, NY 11501
Assignment: 3
Reel/Frame:003914/0556   Pages: 2
Recorded: 10/05/1981
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/21/1980
2
Exec Dt:
08/21/1980
Assignee
1
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06046868
Correspondence name and address
HERBERT L. LERNER
29 ROSLYN RD.
MINEOLA, N. Y. 11501
Assignment: 4
Reel/Frame:003827/0334   Pages: 1
Recorded: 01/19/1980
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/10/1980
2
Exec Dt:
11/10/1980
3
Exec Dt:
11/10/1980
4
Exec Dt:
11/10/1980
Assignee
1
A GERMAN CORP.
ALFDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06048184
Correspondence name and address
HERBERT L. LERNER
29 ROSLYN RD.
MINEOLA, N. Y. 11501
Assignment: 5
Reel/Frame:006786/0219   Pages: 2
Recorded: 10/05/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/23/1993
2
Exec Dt:
08/16/1993
3
Exec Dt:
08/30/1993
4
Exec Dt:
09/21/1993
5
Exec Dt:
09/10/1993
6
Exec Dt:
08/16/1993
7
Exec Dt:
09/21/1993
Assignee
1
LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08116954
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 6
Reel/Frame:010350/0206   Pages: 3
Recorded: 10/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/12/1999
2
Exec Dt:
10/12/1999
3
Exec Dt:
10/12/1999
4
Exec Dt:
10/12/1999
Assignee
1
CARL-ZEISS-STRASSE 1
D-07743 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09426030
Correspondence name and address
MCAULAY NISSEN GOLDBERG KIEL ET AL.
GERALD H. KIEL, ESQ.
261 MADISON AVENUE
NEW YORK, NY 10016-2391
Assignment: 7
Reel/Frame:012044/0254   Pages: 2
Recorded: 07/23/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/18/2001
2
Exec Dt:
06/13/2001
3
Exec Dt:
07/03/2001
Assignee
1
FL-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09911272
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
ONE WORLD TRADE CENTER
54TH FLOOR
NEW YORK, N.Y. 10048-0557
Assignment: 8
Reel/Frame:017783/0072   Pages: 3
Recorded: 04/06/2006
Conveyance: RE-RECORD TO ADD THE NAME AND ADDRESS OF THE SECOND ASSIGNEE, PREVIOUSLY RECORDED ON REEL 012044 FRAME 0254.
Assignors
1
Exec Dt:
06/18/2001
2
Exec Dt:
06/13/2001
3
Exec Dt:
07/03/2001
Assignees
1
FL-9494 SCHAAN, LIECHTENSTEIN
2
GOSCHWITZER STRASSE 25
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09911272
Correspondence name and address
DAVID TOREN
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NEW YORK 10017-5621
Assignment: 9
Reel/Frame:012583/0574   Pages: 2
Recorded: 02/11/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/08/2001
2
Exec Dt:
10/08/2001
3
Exec Dt:
10/15/2001
4
Exec Dt:
10/08/2001
Assignees
1
GOSCHWITZER STRASSE 25
D-07745 JENA, GERMANY
2
FELDKIRCHERSTRASSE 100
FL-9494 SCHAAN FURSTENTUM, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09976141
Correspondence name and address
COLLARD & ROE, P.C.
EDWARD R. FREEDMAN
1077 NORTHERN BOULEVARD
ROSLYN, NY 11576
Assignment: 10
Reel/Frame:013472/0715   Pages: 3
Recorded: 10/30/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/07/2002
2
Exec Dt:
03/07/2002
3
Exec Dt:
03/07/2002
Assignees
1
FELDKIRCHESTR. 100
FL-9494 SCHAAN., LIECHTENSTEIN
2
GOSCHWITZER STRASSE 25
D-07745 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10284223
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, N.Y. 10019
Assignment: 11
Reel/Frame:014179/0715   Pages: 3
Recorded: 06/16/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/06/2003
2
Exec Dt:
03/06/2003
3
Exec Dt:
03/13/2003
4
Exec Dt:
03/13/2003
5
Exec Dt:
03/13/2003
6
Exec Dt:
03/19/2003
Assignees
1
FELDKIRCHER STRASSE, LIECHTENSTEIN LI-9494
2
GOSCHWITZER STRASSE 25
D-07445 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10388013
Correspondence name and address
SIDLEY AUSTIN BROWN ET.AL.
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, NY 10019
Assignment: 12
Reel/Frame:014887/0453   Pages: 3
Recorded: 01/12/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/25/2003
2
Exec Dt:
08/25/2003
3
Exec Dt:
09/04/2003
Assignees
1
FELDKIRCHERSTR. 100, LI-9494 SCHAAN.
PRINCIPALITY OF LIECHTENSTEIN, LIECHTENSTEIN
2
GOSCHWITZER STRASSE 25
D-07745 JENA,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10637997
Correspondence name and address
SIDLEY AUSTIN BROWN & WOOD LLP
DAVID TOREN
787 SEVENTH AVENUE
NEW YORK, N.Y. 10019
Assignment: 13
Reel/Frame:015369/0316   Pages: 3
Recorded: 11/17/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/19/2004
2
Exec Dt:
04/20/2004
3
Exec Dt:
04/19/2004
4
Exec Dt:
04/29/2004
5
Exec Dt:
04/20/2004
Assignee
1
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, PRINCIPALITY OF, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10840159
Correspondence name and address
DAVID TOREN, ESQ.
787 SEVENTH AVENUE
SIDLEY AUSTIN BROWN & WOOD LLP
NEW YORK, NY 10019-6018
Assignment: 14
Reel/Frame:017376/0399   Pages: 3
Recorded: 12/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/16/2005
2
Exec Dt:
11/18/2005
3
Exec Dt:
12/01/2005
Assignee
1
FELDKIRCHER STRASSE 100
SCHAAN, LIECHTENSTEIN LI-9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11304966
Correspondence name and address
ALEXANDER ZINCHUK
ABELMAN, FRAYNE AND SCHWAB
666 THIRD AVENUE
NEW YORK, NY 10017-5621
Assignment: 15
Reel/Frame:017376/0811   Pages: 7
Recorded: 12/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/16/2005
2
Exec Dt:
11/18/2005
3
Exec Dt:
12/01/2005
Assignee
1
FELDKIRCHER STRASSE 100
SCHAAN, LIECHTENSTEIN LI-9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11304934
Correspondence name and address
ALEXANDER ZINCHUK ABELMAN ET AL.
666 THIRD AVENUE
NEW YORK, NY 10017-5621
Assignment: 16
Reel/Frame:020949/0444   Pages: 2
Recorded: 05/05/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/01/2008
2
Exec Dt:
04/01/2008
3
Exec Dt:
04/07/2008
Assignee
1
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12015439
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NEW YORK 10017-5621
Assignment: 17
Reel/Frame:021600/0731   Pages: 3
Recorded: 09/29/2008
Attorney Dkt #:21049/0209686-US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/02/2008
2
Exec Dt:
06/18/2008
3
Exec Dt:
07/30/2008
Assignee
1
WEBERSTRASSE 5
KARLSRUHE, GERMANY 76133
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12294902
Correspondence name and address
DARBY & DARBY PC
PO BOX 770
NEW YORK, NY 10008-0770
Assignment: 18
Reel/Frame:021303/0363   Pages: 2
Recorded: 07/15/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/24/2008
2
Exec Dt:
06/24/2008
3
Exec Dt:
07/01/2008
Assignee
1
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12218554
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
666 THIRD AVENUE, 10TH FLOOR
NEW YORK, NEW YORK 10017-5621
Assignment: 19
Reel/Frame:022272/0879   Pages: 2
Recorded: 02/09/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/08/2009
2
Exec Dt:
01/08/2009
3
Exec Dt:
01/21/2009
4
Exec Dt:
01/21/2009
Assignees
1
FELDKIRCHER STRASSE 100
LI-9494 SCHAAN, LIECHTENSTEIN
2
CARL-ZEISS-STRASSE 1
D-07739 JENA, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12316301
Correspondence name and address
ABELMAN, FRAYNE & SCHWAB
ATTORNEYS AT LAW
666 THIRD AVE., 10TH FLOOR
NEW YORK, NEW YORK 10017
Assignment: 20
Reel/Frame:024842/0537   Pages: 4
Recorded: 08/16/2010
Attorney Dkt #:105440.62462US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/14/2010
2
Exec Dt:
06/10/2010
3
Exec Dt:
06/10/2010
4
Exec Dt:
06/23/2010
Assignee
1
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN LI-9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12790705
Correspondence name and address
CROWELL & MORING LLP
INTELLECTUAL PROPERTY GROUP
P.O. BOX 14300
WASHINGTON, DC 20044
Assignment: 21
Reel/Frame:024867/0694   Pages: 4
Recorded: 08/20/2010
Attorney Dkt #:104550.62463US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/14/2010
2
Exec Dt:
06/20/2010
3
Exec Dt:
06/10/2010
4
Exec Dt:
06/23/2010
Assignee
1
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN LI-9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12790693
Correspondence name and address
CROWELL & MORING LLP
P.O. BOX 14300
INTELLECTUAL PROPERTY GROUP
WASHINGTON, DC 20044-4300
Assignment: 22
Reel/Frame:025179/0234   Pages: 5
Recorded: 10/22/2010
Attorney Dkt #:812273
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/23/2010
2
Exec Dt:
09/20/2010
3
Exec Dt:
08/30/2010
4
Exec Dt:
08/31/2010
5
Exec Dt:
09/16/2010
Assignee
1
KAISERSTRASSE 12
KARLSRUHE, GERMANY 76131
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
12833088
Correspondence name and address
LEYDIG, VOIT & MAYER, LTD.
TWO PRUDENTIAL PLAZA, SUITE 4900
180 NORTH STETSON AVENUE
CHICAGO, 606016731 GERMANY
Assignment: 23
Reel/Frame:028739/0034   Pages: 4
Recorded: 08/07/2012
Attorney Dkt #:105440.64478US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/02/2012
2
Exec Dt:
07/02/2012
3
Exec Dt:
07/02/2012
4
Exec Dt:
06/27/2012
5
Exec Dt:
06/27/2012
Assignees
1
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
2
INDUSTRIESTRASSE 33
WEDEL, GERMANY DE22876
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13481419
Correspondence name and address
CROWELL & MORING LLP
INTELLECTUAL PROPERTY GROUP
P. O. BOX 14300
WASHINGTON, DC 20044-4300
Assignment: 24
Reel/Frame:028739/0285   Pages: 3
Recorded: 08/07/2012
Attorney Dkt #:105440.64479US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/02/2012
2
Exec Dt:
07/02/2012
3
Exec Dt:
06/27/2012
4
Exec Dt:
06/27/2012
Assignee
1
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13481396
Correspondence name and address
CROWELL & MORING LLP
INTELLECTUAL PROPERTY GROUP
P. O. BOX 14300
WASHINGTON, DC 20044-4300
Assignment: 25
Reel/Frame:030058/0176   Pages: 6
Recorded: 03/21/2013
Attorney Dkt #:105440.65016US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/20/2013
2
Exec Dt:
02/14/2013
3
Exec Dt:
03/12/2013
4
Exec Dt:
02/14/2013
Assignee
1
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13724176
Correspondence name and address
CROWELL & MORING LLP
INTELLECTUAL PROPERTY GROUP
P. O. BOX 14300
WASHINGTON, DC 14300
Assignment: 26
Reel/Frame:034961/0300   Pages: 7
Recorded: 02/13/2015
Attorney Dkt #:105440.64478C1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/24/2014
2
Exec Dt:
08/11/2014
3
Exec Dt:
02/10/2015
4
Exec Dt:
07/10/2014
5
Exec Dt:
07/23/2014
Assignees
1
FELDKIRCHERSTRASSE 100
SCHAAN, LIECHTENSTEIN 9494
2
INDUSTRIESTRASSE 33
WEDEL, GERMANY DE-22876
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14281683
Correspondence name and address
CROWELL & MORING LLP
INTELLECTUAL PROPERTY GROUP
P. O. BOX 14300
WASHINGTON, DC 20044-4300

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