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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 : WELT, SYDNEY
Total Assignments: 15
Assignment: 1
Reel/Frame:007116/0553   Pages: 2
Recorded: 07/14/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLD, LLOYD J.
Exec Dt:
05/20/1994
2
STOCKERT, ELISABETH
Exec Dt:
05/25/1994
3
WELT, SYDNEY
Exec Dt:
05/25/1994
Assignee
1
LUDWIG INSTITUTE FOR CANCER RESEARCH
1345 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6310185
NONE
08207861
Correspondence name and address
PENNIE & EDMONDS
ALBERT P. HALLUIN
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 2
Reel/Frame:007626/0775   Pages: 2
Recorded: 08/31/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
03/24/1995
2
KITAMURA, KUNIO
Exec Dt:
04/03/1995
3
OLD, LLOYD J.
Exec Dt:
03/21/1995
Assignee
1
LUDWIG INSTITUTE FOR CANCER RESEARCH
1345 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5795961
NONE
08388672
Correspondence name and address
PENNIE & EDMONDS
ALBERT P. HALLUIN
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 3
Reel/Frame:007729/0755   Pages: 2
Recorded: 08/11/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
07/13/1995
2
OLD, LLOYD J.
Exec Dt:
07/18/1995
3
BARENDSWAARD, ELSJE
Exec Dt:
07/11/1995
4
MONTALTO, NICHOLAS J.
Exec Dt:
07/10/1995
5
GURE, ALI OSMAY
Exec Dt:
07/11/1995
Assignee
1
LUDWIG INSTITUTE FOR CANCER RESEARCH
1345 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5851526
NONE
08449911
Correspondence name and address
FELFE & LYNCH
PATRICIA A. PASQUALINI, ESQ.
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 4
Reel/Frame:007993/0283   Pages: 3
Recorded: 04/25/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OLD, LLOYD J.
Exec Dt:
02/22/1996
2
RITTER, GERD
Exec Dt:
02/15/1996
3
WELT, SYDNEY
Exec Dt:
02/16/1996
Assignee
1
LUDWIG INSTITUTE FOR CANCER RESEARCH
1345 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK 10105
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5712369
NONE
08597495
Correspondence name and address
FELFE & LYNCH
PATRICIA A. PASQUALINI, ESQ.
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 5
Reel/Frame:008331/0481   Pages: 2
Recorded: 01/13/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
11/27/1996
2
RITTER, GERD
Exec Dt:
11/27/1996
3
COHEN, LEONARD
Exec Dt:
11/27/1996
4
WILLIAMS, CLARENCE JR.
Exec Dt:
11/27/1996
5
RICHARD, ELIZABETH CARSWELL
Exec Dt:
11/27/1996
6
JOHN, MARY
Exec Dt:
11/27/1996
Assignee
1
MEMORIAL SLOAN-KETTERING CANCER CENTER
1275 YORK AVENUE
NEW YORK, NEW YORK 10021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6190640
NONE
08752693
Correspondence name and address
FELFE & LYNCH
NORMAN D. HANSON
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 6
Reel/Frame:011187/0049   Pages: 8
Recorded: 10/16/2000
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF ASSIGNEE PREVIOUSLY RECORDED ON REEL 8331, FRAME 0481.
Assignors
1
WELT, SYDNEY
Exec Dt:
11/27/1996
2
RITTER, GERD
Exec Dt:
11/27/1996
3
COHEN, LEONARD
Exec Dt:
11/27/1996
4
WILLIAMS, CLARENCE JR.
Exec Dt:
11/27/1996
5
RICHARDS, ELIZABETH CARSWELL
Exec Dt:
11/27/1996
6
JOHN, MARY
Exec Dt:
11/27/1996
Assignee
1
SLOAN-KETTERING INSTITUTE FOR CANCER RESEARCH
1275 YORK AVENUE
NEW YORK, NEW YORK 10021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6190640
NONE
08752693
Correspondence name and address
FULBRIGHT & JAWORSKI L.L..
MARY ANNE SCHOFIELD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 7
Reel/Frame:008499/0611   Pages: 2
Recorded: 04/29/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
03/13/1997
2
RITTER, GERD
Exec Dt:
03/14/1997
3
COHEN, LEONARD
Exec Dt:
03/14/1997
4
WILLIAMS, CIARENCE, JR.
Exec Dt:
03/14/1997
5
RICHARDS, ELIZABETH CARSWELL
Exec Dt:
03/17/1997
6
JOHN, MARY
Exec Dt:
03/17/1997
Assignee
1
MEMORIAL SLOAN-KETTERING CANCER CENTER
1275 YORK AVENUE
NEW YORK, NEW YORK 10021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6190640
NONE
08752693
Correspondence name and address
FELFE & LYNCH
VINEET KOHL
805 THIRD AVENUE
NEW YORK, NY 10022
Assignment: 8
Reel/Frame:010768/0427   Pages: 2
Recorded: 04/17/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WELT, SYDNEY
Exec Dt:
12/28/1999
Assignee
1
MEMORIAL SLOAN KETTERING CANCER CENTER
1275 YORK AVENUE
NEW YORK, NEW YORK 10021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6342587
NONE
09425638
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
ERIC SINN, PH.D.
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 9
Reel/Frame:011037/0519   Pages: 3
Recorded: 08/07/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WELT, SYDNEY
Exec Dt:
04/11/2000
Assignee
1
MEMORIAL SLOAN KETTERING CANCER CENTER
1275 YORK AVENUE
NEW YORK, NEW YORK 10021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6346249
NONE
09543004
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
NORMAN D. HANSON
666 FIFTH AVENUE
NEW YORK, NYB 10103
Assignment: 10
Reel/Frame:012225/0200   Pages: 3
Recorded: 10/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
09/03/2001
2
OLD, LLOYD J.
Exec Dt:
09/04/2001
Assignee
1
LUDWIG INSTITUTE FOR CANCER RESEARCH
605 THIRD AVENUE
NEW YORK, NEW YORK 10158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030031671
09920147
Correspondence name and address
FULBRIGHT & JAWORSKI LLP
NORMAND D. HANSON
666 5TH AVENUE, 24TH FLOOR
NEW YORK, NY 10103
Assignment: 11
Reel/Frame:012588/0714   Pages: 3
Recorded: 02/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
09/03/2001
2
OLD, LLOYD J.
Exec Dt:
09/04/2001
Assignee
1
LUDWIG INSTITUTE FOR CANCER RESEARCH
605 THIRD AVENUE
NEW YORK, NEW YORK 10158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030031671
09920147
Correspondence name and address
FULBRIGHT & JAWORSKI, L.L.P.
NORMAN D. HANSON
666 FIFTH AVENUE, 24TH FLOOR
NEW YORK, NY 10103
Assignment: 12
Reel/Frame:012712/0358   Pages: 3
Recorded: 03/22/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
WELT, SYDNEY
Exec Dt:
03/06/2002
Assignee
1
SLOAN KETTERING INSTITUTE FOR CANCER RESEARCH
1275 YORK AVENUE
NEW YORK, NEW YORK 10021
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6652853
US20020187144
09800522
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
MARY ANNE SCHOFIELD
801 PENNSYLVANIA AVENUE, N.W.
MARKET SQUARE ATTY. DKT.: LUD 5696
WASHINGTON, D.C. 20004-2615
Assignment: 13
Reel/Frame:013409/0847   Pages: 2
Recorded: 10/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RITTER, GERD
Exec Dt:
08/19/2002
2
COHEN, LEONARD S.
Exec Dt:
08/20/2002
3
OLD, LLOYD
Exec Dt:
08/30/2002
4
WELT, SYDNEY
Exec Dt:
08/26/2002
Assignee
1
LUDWIG INSTITUTE FOR CANCER RESEARCH
605 THIRD AVENUE
NEW YORK, NEW YORK 10158
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030040027
10222319
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
NORMAN D. HANSON
666 FIFTH AVENUE
NEW YORK, NEW YORK 10103
Assignment: 14
Reel/Frame:022001/0752   Pages: 3
Recorded: 12/18/2008
Attorney Dkt #:5714/006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
12/08/2008
2
KOSTYAL, DAVID
Exec Dt:
12/08/2008
Assignee
1
GUTHRIE FOUNDATION FOR EDUCATION & RESEARCH
GUTHRIE SQUARE
SAYRE, PENNSYLVANIA 18840
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090220416
12298781
Correspondence name and address
GOTTLIEB, RACKMAN & REISMAN, P.C.
270 MADISON AVENUE, 8TH FLOOR
NEW YORK, NY 10016-0601
Assignment: 15
Reel/Frame:038801/0266   Pages: 6
Recorded: 06/03/2016
Attorney Dkt #:10199/003571-US1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WELT, SYDNEY
Exec Dt:
01/06/2014
2
KOSTYAL, DAVID
Exec Dt:
12/05/2013
3
WELT, RACHEL S.
Exec Dt:
12/24/2013
4
RAYMOND, VIRGINIA
Exec Dt:
12/28/2013
5
WELT, JONATHAN A.
Exec Dt:
12/28/2013
Assignee
1
WELT BIO-MOLECULAR PHARMACEUTICAL, LLC.
59 WHIPPOORWILL CROSSING
ARMONK, NEW YORK 10504
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9926381
US20160304625
15101658
Correspondence name and address
ELIZABETH BARNHARD, LEASON ELLIS, LLP.
ONE BARKER AVENUE
FIFTH FLOOR
WHITE PLAINS, NY 10601

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