skip navigationU S P T O SealUnited States Patent and Trademark Office AOTW logo
Home|Site Index|Search|Guides|Contacts|eBusiness|eBiz alerts|News|Help
Assignments on the Web > Patent Query
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 : STAFFORD, DAVID
Total Assignments: 12
Assignment: 1
Reel/Frame:013190/0455   Pages: 4
Recorded: 08/12/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STUDY, ROBERT
Exec Dt:
07/03/2002
2
ROBB, ERIC
Exec Dt:
07/03/2002
3
GIOIA, WILLIAM
Exec Dt:
07/03/2002
4
STAFFORD, DAVID
Exec Dt:
07/26/2002
Assignee
1
CHAMBERLAIN GROUP, INC., THE
845 LARCH AVENUE
ELMHURST, ILLINOIS 60126
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7057519
US20030201743
10135889
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY
STEVEN G. PARMELEE
SUITE 1600
120 SOUTH LASALLE ST.
CHICAGO, IL 60603-3406
Assignment: 2
Reel/Frame:014370/0021   Pages: 5
Recorded: 08/11/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GIOIA, WILLIAM
Exec Dt:
07/16/2003
2
ROBB, ERIC J.
Exec Dt:
07/15/2003
3
STAFFORD, DAVID
Exec Dt:
07/16/2003
4
STUDY III, ROBERT S.
Exec Dt:
07/21/2003
Assignee
1
THE CHAMBERLAIN GROUP, INC.
845 LARCH AVENUE
ELMHURST, ILLINOIS 60126
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7034484
US20040216379
10417594
Correspondence name and address
FITCH, EVEN, TABIN & FLANNERY
KENNETH H. SAMPLES
120 SOUTH LASALLE ST., SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 3
Reel/Frame:016620/0390   Pages: 5
Recorded: 05/27/2005
Attorney Dkt #:78342
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GIOIA, WILLIAM
Exec Dt:
07/16/2003
2
STAFFORD, DAVID
Exec Dt:
07/16/2003
3
ROBB, ERIC J.
Exec Dt:
07/16/2003
4
STUDY, III ROBERT S.
Exec Dt:
07/16/2003
Assignee
1
CHAMBERLAIN GROUP, INC., THE
845 LARCH AVENUE
ELMHURST, ILLINOIS 60126
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7091688
US20050218854
11139451
Correspondence name and address
KENNETH H. SAMPLES
FITCH, EVEN, TABIN & FLANNERY
SUITE 1600
120 SOUTH LASALLE STREET
CHICAGO, IL 60603-3406
Assignment: 4
Reel/Frame:032213/0612   Pages: 6
Recorded: 02/13/2014
Attorney Dkt #:5569-97256-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GIOIA, WILLIAM
Exec Dt:
07/16/2003
2
ROBB, ERIC J.
Exec Dt:
07/15/2003
3
STAFFORD, DAVID
Exec Dt:
07/16/2003
4
STUDY, ROBERT S., III
Exec Dt:
07/21/2003
Assignee
1
THE CHAMBERLAIN GROUP, INC.
845 NORTH LARCH AVENUE
ELMHURST, ILLINOIS 60126
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
RE44816
NONE
13118958
Correspondence name and address
FITCH EVEN TABIN & FLANNERY, LLP
120 SOUTH LASALLE STREET
SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 5
Reel/Frame:017048/0483   Pages: 9
Recorded: 09/30/2005
Attorney Dkt #:85425
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ROBB, ERIC J.
Exec Dt:
09/07/2005
2
STUDY III, ROBERT S.
Exec Dt:
09/07/2005
3
GIOIA, WILLIAM
Exec Dt:
09/07/2005
4
STAFFORD, DAVID
Exec Dt:
09/07/2005
Assignee
1
CHAMBERLAIN GROUP, INC., THE
845 LARCH AVENUE
ELMHURST, ILLINOIS 60126
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7579797
US20060012325
11139903
Correspondence name and address
KENNETH H. SAMPLES
FITCH, EVEN, TABIN & FLANNERY
SUITE 1600
120 SOUTH LASALLE STREET
CHICAGO, ILLINOIS 60603-3406
Assignment: 6
Reel/Frame:017710/0603   Pages: 4
Recorded: 05/30/2006
Attorney Dkt #:2540-0916
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLACKWELL, STEVEN
Exec Dt:
04/24/2006
2
THOMAS, CHRISTOPHER
Exec Dt:
04/24/2006
3
KIRSHTEIN, PHILIP
Exec Dt:
04/24/2006
4
STAFFORD, DAVID
Exec Dt:
04/24/2006
5
PURSEL, JAMES
Exec Dt:
05/03/2006
6
DURDEN, PAUL
Exec Dt:
04/24/2006
Assignee
1
AVOCENT CORPORATION
4991 CORPORATE DRIVE
HUNTSVILLE, ALABAMA 35805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7640382
US20070174526
11410084
Correspondence name and address
BRIAN SIRITZKY, PH.D.
DAVIDSON, BERQUIST JACKSON & GOWDEY LLP
4300 WILSON BOULEVARD, 7TH FLOOR
ARLINGTON, VA 22203
Assignment: 7
Reel/Frame:040595/0901   Pages: 4
Recorded: 12/08/2016
Attorney Dkt #:2540-1205
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLACKWELL, STEVEN
Exec Dt:
04/24/2006
2
THOMAS, CHRISTOPHER
Exec Dt:
04/24/2006
3
KIRSHTEIN, PHILIP
Exec Dt:
04/24/2006
4
STAFFORD, DAVID
Exec Dt:
04/24/2006
5
PURSEL, JAMES
Exec Dt:
05/03/2006
6
DURDEN, PAUL
Exec Dt:
04/24/2006
Assignee
1
AVOCENT CORPORATION
4991 CORPORATE DRIVE
HUNTSVILLE, ALABAMA 35805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100077118
12618540
Correspondence name and address
ALEX PELONERO
8300 GREENSBORO DRIVE SUITE 500
MCLEAN, VA 22102
Assignment: 8
Reel/Frame:040596/0205   Pages: 4
Recorded: 12/08/2016
Attorney Dkt #:2540-1206
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLACKWELL, STEVEN
Exec Dt:
04/24/2006
2
THOMAS, CHRISTOPHER
Exec Dt:
04/24/2006
3
KIRSHTEIN, PHILIP
Exec Dt:
04/24/2006
4
STAFFORD, DAVID
Exec Dt:
04/24/2006
5
PURSEL, JAMES
Exec Dt:
05/03/2006
6
DURDEN, PAUL
Exec Dt:
04/24/2006
Assignee
1
AVOCENT CORPORATION
4991 CORPORATE DRIVE
HUNTSVILLE, ALABAMA 35805
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9398072
US20100057956
12618565
Correspondence name and address
ALEX PELONERO
8300 GREENSBORO DRIVE SUITE 500
MCLEAN, VA 22102
Assignment: 9
Reel/Frame:024209/0814   Pages: 5
Recorded: 04/09/2010
Attorney Dkt #:961012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STAFFORD, DAVID
Exec Dt:
04/09/2010
2
TOEBES, JOHN A.
Exec Dt:
04/09/2010
3
MERCURIO, GREGORY S.
Exec Dt:
04/09/2010
Assignee
1
CISCO TECHNOLOGY, INC.
170 WEST TASMAN DRIVE
SJC 10/2/1
SAN JOSE, CALIFORNIA 95134-1706
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110250842
12757185
Correspondence name and address
PATENT CAPITAL GROUP - CISCO
6119 MCCOMMAS
DALLAS, TX 75214
Assignment: 10
Reel/Frame:038943/0471   Pages: 5
Recorded: 06/17/2016
Attorney Dkt #:60332-0082
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
O'BRIEN, GEORGE
Exec Dt:
06/17/2016
2
IBRISHIMOV, EMIL
Exec Dt:
05/12/2016
3
PARK, KEN
Exec Dt:
05/12/2016
4
STAFFORD, DAVID
Exec Dt:
05/12/2016
5
KOUTCHEROUK, HEINRICH
Exec Dt:
05/14/2016
Assignee
1
DROPBOX, INC.
333 BRANNAN STREET
SAN FRANCISCO, CALIFORNIA 94107
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10079817
US20170250969
15056829
Correspondence name and address
HICKMAN PALERMO BECKER BINGHAM LLP
1 ALMADEN BOULEVARD, FLOOR 12
SAN JOSE, CA 95113
Assignment: 11
Reel/Frame:046631/0394   Pages: 5
Recorded: 08/13/2018
Attorney Dkt #:60332-0273
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
O'BRIEN, GEORGE
Exec Dt:
06/17/2016
2
IBRISHIMOV, EMIL
Exec Dt:
05/12/2016
3
PARK, KEN
Exec Dt:
05/12/2016
4
STAFFORD, DAVID
Exec Dt:
05/12/2016
5
KOUTCHEROUK, HEINRICH
Exec Dt:
05/14/2016
Assignee
1
DROPBOX, INC.
333 BRANNAN STREET
SAN FRANCISCO, CALIFORNIA 94107
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10348717
US20180351935
16102353
Correspondence name and address
HICKMAN PALERMO BECKER BINGHAM LLP
1 ALMADEN BOULEVARD, FLOOR 12
SAN JOSE, CA 95113
Assignment: 12
Reel/Frame:046943/0083   Pages: 5
Recorded: 09/21/2018
Attorney Dkt #:60332-0276, 0277
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
O'BRIEN, GEORGE
Exec Dt:
06/17/2016
2
IBRISHIMOV, EMIL
Exec Dt:
05/12/2016
3
PARK, KEN
Exec Dt:
05/12/2016
4
STAFFORD, DAVID
Exec Dt:
05/12/2016
5
KOUTCHEROUK, HEINRICH
Exec Dt:
05/14/2016
Assignee
1
DROPBOX, INC.
333 BRANNAN STREET
SAN FRANCISCO, CALIFORNIA 94107
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
10326751
US20190028450
16138362
 
10523651
US20190052618
16138378
Correspondence name and address
HICKMAN PALERMO BECKER BINGHAM LLP
1 ALMADEN BOULEVARD, FLOOR 12
SAN JOSE, CA 95113

Search Results as of: 05/10/2024 09:47 AM
If you have any comments or questions concerning the data displayed, contact PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified: August 25, 2017 v.2.6
| .HOME | INDEX| SEARCH | eBUSINESS | CONTACT US | PRIVACY STATEMENT