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Patent Assignment Assignor Details
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Assignor Name : SPERL, GERHARD
Total Assignments: 19
Assignment: 1
Reel/Frame:007616/0671   Pages: 4
Recorded: 12/12/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPERL, GERHARD
Exec Dt:
10/12/1994
Assignee
1
CELL PATHWAYS, INC.
1700 BROADWAY, STE. 2000
DENVER, COLORADO 80290
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5696159
NONE
08265396
Correspondence name and address
WILLIAN BRINKS HOFER GILSON & LIONE
ROBERT W. STEVENSON
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 2
Reel/Frame:007700/0840   Pages: 4
Recorded: 11/14/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPERL, GERHARD
Exec Dt:
10/12/1994
Assignee
1
CELL PATHWAYS, INC.
1700 BROADWAY
SUITE 2000
DENVER, COLORADO 80290
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5696159
NONE
08265396
Correspondence name and address
ROBERT W. STEVENSON C/O
WILLIAM BRINKS HOFER GILSON & LIONE
P.O. BOX 10395
CHICAGO, ILLINOIS 60610
Assignment: 3
Reel/Frame:007920/0098   Pages: 7
Recorded: 09/22/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROSS, PAUL
Exec Dt:
09/11/1995
2
SPERL, GERHARD
Exec Dt:
09/11/1995
3
PAMUKCU, RIFAT
Exec Dt:
08/28/1995
Assignee
1
CELL PATHWAYS, INCL.
1300 S. POTOMAC ST.
AURORA, COLORADO 80012
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5776962
NONE
08481601
Correspondence name and address
WILLIAN BRINKS HOFER GILSON & LIONE
MARC V. RICHARDS
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 4
Reel/Frame:008204/0133   Pages: 14
Recorded: 09/19/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
08/14/1996
2
GROSS, PAUL
Exec Dt:
08/14/1996
3
BRENDEL, KLAUS
Exec Dt:
08/15/1996
4
PIAZZA, GARY
Exec Dt:
08/15/1996
5
PAMUKEU, RIFAT
Exec Dt:
09/13/1996
Assignees
1
CELL PATHWAYS, INC.
1300 S. POTOMAC STREET
AURORA, COLORADO 80012
2
ARIZONA, UNIVERSITY OF
1300 S. POTOMAC STREET
TUSCON, ARIZONA 85721
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6121321
NONE
08661293
Correspondence name and address
BRINKS HOFER GILSON & LIONE
MARC V. RICHARDS
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 5
Reel/Frame:009000/0922   Pages: 7
Recorded: 12/15/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
10/23/1997
2
GROSS, PAUL
Exec Dt:
10/23/1997
3
PAMUKCU, RIFAT
Exec Dt:
09/23/1997
4
PIAZZA, GARY
Exec Dt:
09/19/1997
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DR.
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6063818
NONE
08868182
Correspondence name and address
BRINKS HOFER GILSON ET AL.
MARC V. RICHARDS
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 6
Reel/Frame:009062/0336   Pages: 7
Recorded: 03/03/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
10/23/1997
2
GROSS, PAUL
Exec Dt:
10/23/1997
3
PIAZZA, GARY
Exec Dt:
09/19/1997
4
PAMUKCU, RIFAT
Exec Dt:
09/23/1997
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5998477
NONE
08868181
Correspondence name and address
BRINKS HOFER GILSON & LIONE
MARC V. RICHARDS
P.O. BOX 10395
CHICAGO, IL 60610
Assignment: 7
Reel/Frame:009136/0308   Pages: 6
Recorded: 04/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAMUKCU, RIFAT
Exec Dt:
12/19/1997
2
PIAZZA, GARY A.
Exec Dt:
01/06/1998
3
SPERL, GERHARD
Exec Dt:
12/12/1997
4
GROSS, PAUL
Exec Dt:
12/19/1997
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5948779
NONE
08989353
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 8
Reel/Frame:009109/0399   Pages: 7
Recorded: 04/03/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
03/26/1998
2
GROSS, PAUL
Exec Dt:
03/26/1998
3
BRENDEL, KLAUS
Exec Dt:
03/26/1998
4
PAMUKEU, RIFAT
Exec Dt:
03/26/1998
5
PIAZZA, GARY
Exec Dt:
03/26/1998
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6028116
NONE
09054814
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 9
Reel/Frame:009710/0536   Pages: 6
Recorded: 12/17/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PAMUKCU, RIFAT
Exec Dt:
08/13/1998
2
PIAZZA, GARY A.
Exec Dt:
08/10/1998
3
SPERL, GERHARD
Exec Dt:
08/14/1998
4
WANG, XIAOJING
Exec Dt:
08/04/1998
5
GROSS, PAUL
Exec Dt:
08/06/1998
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6180629
NONE
09134425
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 10
Reel/Frame:009522/0513   Pages: 3
Recorded: 10/19/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
10/19/1998
2
PAMUKCU, RIFAT
Exec Dt:
10/19/1998
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5939417
NONE
09174815
Correspondence name and address
CELL PATHWAYS, INC.
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 11
Reel/Frame:011357/0730   Pages: 3
Recorded: 12/06/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
10/19/1998
2
PAMUKEU, RIFAT
Exec Dt:
10/19/1998
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6455703
US20010051651
09731570
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Assignment: 12
Reel/Frame:009715/0758   Pages: 5
Recorded: 01/14/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
01/05/1999
2
IXKES, ULRICH
Exec Dt:
01/07/1999
3
PAMUKCU, RIFAT
Exec Dt:
01/05/1999
4
PIAZZA, GARY A.
Exec Dt:
12/22/1998
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6211177
NONE
09200378
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 13
Reel/Frame:010177/0330   Pages: 7
Recorded: 08/23/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
01/11/1999
2
PAMUKEU, RIFAT
Exec Dt:
01/11/1999
3
IXKES, ULRICH
Exec Dt:
01/11/1999
4
PIAZZA, GARY
Exec Dt:
01/11/1999
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6348032
NONE
09199094
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 14
Reel/Frame:009757/0908   Pages: 6
Recorded: 02/05/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
02/01/1999
2
PIAZZA, GARY A.
Exec Dt:
01/27/1999
3
GROSS, PAUL
Exec Dt:
01/25/1999
4
PAMUKCU, RIFAT
Exec Dt:
02/01/1999
5
BRENDEL, KLAUS
Exec Dt:
01/28/1999
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6066634
NONE
09206245
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 15
Reel/Frame:011028/0827   Pages: 6
Recorded: 08/09/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
02/01/1999
2
GROSS, PAUL
Exec Dt:
01/25/1999
3
BRENDEL, KLAUS
Exec Dt:
01/28/1999
4
PIAZZA, GARY A.
Exec Dt:
01/27/1999
5
PAMUKEU, RIFAT
Exec Dt:
02/01/1999
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6166053
NONE
09490269
Correspondence name and address
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 16
Reel/Frame:011086/0645   Pages: 5
Recorded: 08/16/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SPERL, GERHARD
Exec Dt:
02/08/1999
2
IXKES, ULRICH
Exec Dt:
02/15/1999
3
PAMUKCU, RIFAT
Exec Dt:
02/08/1999
4
PIAZZA, GARY A.
Exec Dt:
01/27/1999
Assignee
1
CELL PATHWAYS, INC.
702 ELECTRONIC DRIV
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6420410
NONE
09639909
Correspondence name and address
CELL PATHWAYS, INC.
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM, PA 19044
Assignment: 17
Reel/Frame:009785/0718   Pages: 3
Recorded: 02/19/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SPERL, GERHARD
Exec Dt:
02/17/1999
Assignee
1
CELL PATHWAYS INC.
702 ELECTRONIC DRIVE
HORSHAM, PENNSYLVANIA 19044
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6020379
NONE
09253555
Correspondence name and address
CELL PATHWAYS, INC.
ROBERT W. STEVENSON
702 ELECTRONIC DRIVE
HORSHAM PA 19044
Assignment: 18
Reel/Frame:020373/0001   Pages: 75
Recorded: 01/16/2008
Attorney Dkt #:AM102792
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHEN, JIANXIN
Exec Dt:
12/17/2007
2
SPERL, GERHARD
Exec Dt:
11/21/2007
3
GULLO, VINCENT
Exec Dt:
11/21/2007
4
SISTA, LALITHA
Exec Dt:
11/26/2007
5
HUGHES, DALLAS
Exec Dt:
12/27/2007
6
PENG, YUCAI
Exec Dt:
11/23/2007
7
PIERCEALL, WILLIAM
Exec Dt:
11/27/2007
8
WEISKOPF, ANDREW
Exec Dt:
12/31/2007
9
LEVIN, JEREMY IAN
Exec Dt:
12/12/2007
10
DUSHIN, RUSSELL GEORGE
Exec Dt:
12/12/2007
11
OTTENG, MERCY
Exec Dt:
12/12/2007
Assignee
1
WYETH
FIVE GIRALDA FARMS
MADISON, NEW JERSEY 07940
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080096903
11875320
Correspondence name and address
MICHAEL P. STRAHER
WYETH
FIVE GIRALDA FARMS
MADISON, NJ 07940
Assignment: 19
Reel/Frame:042514/0921   Pages: 17
Recorded: 05/26/2017
Attorney Dkt #:106265.000013
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRESLIN, HENRY JOSEPH
Exec Dt:
05/08/2017
2
GILAD, OREN
Exec Dt:
05/25/2017
3
SPERL, GERHARD
Exec Dt:
04/25/2017
4
BROWN, ERIC J.
Exec Dt:
05/10/2017
5
BUTLER, LAURA
Exec Dt:
05/25/2017
Assignee
1
ATRIN PHARMACEUTICALS LLC
1040 GLENDEVON DRIVE
AMBLER, PENNSYLVANIA 19002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10301324
US20170291911
15486017
Correspondence name and address
BAKER & HOSTETLER LLP
CIRA CENTRE - 12TH FLOOR
2929 ARCH STREET
PHILADELPHIA, PA 19104

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