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 : DOUBEK, DAVID E.
Total Assignments: 10
Assignment: 1
Reel/Frame:009280/0382   Pages: 3
Recorded: 06/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/18/1998
2
Exec Dt:
05/07/1998
3
Exec Dt:
05/14/1998
4
Exec Dt:
05/04/1998
5
Exec Dt:
05/11/1998
Assignee
1
600 TRAVIS
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09017656
Correspondence name and address
BURNS, DOANE, SWECKER & MATHIS, L.L.P.
RONALD L. GRUDZIECKI, ESQ.
P.O. BOX 1404
ALEXANDRIA, VA 22313-1404
Assignment: 2
Reel/Frame:010955/0076   Pages: 9
Recorded: 04/29/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/24/2000
2
Exec Dt:
04/24/2000
3
Exec Dt:
04/26/2000
4
Exec Dt:
04/20/2000
5
Exec Dt:
04/24/2000
Assignee
1
600 TRAVIS
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09559534
Correspondence name and address
FISH & RICHARDSON P.C
JOHN F. HAYDEN
601 THIRTEENTH STREET, NW
WASHINGTON, DC 20006
Assignment: 3
Reel/Frame:011946/0369   Pages: 5
Recorded: 06/29/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/05/2001
2
Exec Dt:
06/05/2001
3
Exec Dt:
06/05/2001
Assignee
1
600 TRAVIS, SUITE 5800
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09810430
Correspondence name and address
FISH & RICHARDSON P.C.
WILLIAM D. HARE
601 13TH ST., NW
WASHINGTON, DC 20005
Assignment: 4
Reel/Frame:012476/0641   Pages: 5
Recorded: 01/17/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/25/2001
2
Exec Dt:
09/22/2001
3
Exec Dt:
11/27/2001
Assignee
1
SUITE 5800
600 TRAVIS
HOUSTON, TEXAS 77002
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09899533
Correspondence name and address
FISH & RICHARDSON P.C.
JOHN F. HAYDEN
601 THIRTEENTH STREET, N.W.
WASHINGTON, DC 20005
Assignment: 5
Reel/Frame:019172/0781   Pages: 5
Recorded: 04/17/2007
Attorney Dkt #:011687.00071
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/04/2007
2
Exec Dt:
04/04/2007
3
Exec Dt:
04/04/2007
4
Exec Dt:
04/04/2007
Assignee
1
4201 S. PULASKI ROAD
CHICAGO, ILLINOIS 60632
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11735807
Correspondence name and address
STEPHEN SHELDON C/O BANNER & WITCOFF LTD
TEN S. WACKER DRIVE
SUITE 3000
CHICAGO, IL 60606
Assignment: 6
Reel/Frame:022984/0119   Pages: 6
Recorded: 07/21/2009
Attorney Dkt #:011687.00100
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/13/2009
2
Exec Dt:
07/13/2009
3
Exec Dt:
07/13/2009
4
Exec Dt:
07/14/2009
5
Exec Dt:
07/13/2009
Assignee
1
4201 SOUTH PULASKI ROAD
CHICAGO, ILLINOIS 60632
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12434452
Correspondence name and address
BANNER & WITCOFF, LTD.
10 SOUTH WACKER DRIVE
SUITE 3000
CHICAGO, IL 60606
Assignment: 7
Reel/Frame:032968/0770   Pages: 3
Recorded: 05/27/2014
Attorney Dkt #:011687.00263
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/29/2014
2
Exec Dt:
04/29/2014
3
Exec Dt:
04/29/2014
Assignee
1
4141 SOUTH PULASKI ROAD
CHICAGO, ILLINOIS 60632
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
14263638
Correspondence name and address
BANNER & WITCOFF, LTD.
10 SOUTH WACKER DRIVE
SUITE 3000
CHICAGO, IL 60606
Assignment: 8
Reel/Frame:063481/0597   Pages: 6
Recorded: 04/28/2023
Attorney Dkt #:085773-000004USPT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/28/2023
2
Exec Dt:
04/28/2023
Assignee
1
6688 JOLIET ROAD
SUITE 268
INDIAN HEAD PARK, ILLINOIS 60525
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
18164292
Correspondence name and address
NIXON PEABODY LLP
70 WEST MADISON STREET
SUITE 5200
CHICAGO, IL 60602-4378
Assignment: 9
Reel/Frame:065124/0729   Pages: 6
Recorded: 10/04/2023
Attorney Dkt #:085773-000004USC1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
04/28/2023
2
Exec Dt:
04/28/2023
Assignee
1
6688 JOLIET ROAD
SUITE 268
INDIAN HEAD PARK, ILLINOIS 60525
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
18480927
Correspondence name and address
NIXON PEABODY LLP
70 WEST MADISON STREET
SUITE 5200
CHICAGO, IL 60602-4378
Assignment: 10
Reel/Frame:064526/0942   Pages: 6
Recorded: 08/08/2023
Attorney Dkt #:085773-000005USPT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/08/2023
2
Exec Dt:
08/08/2023
Assignee
1
6688 JOLIET ROAD
SUITE 268
INDIAN HEAD PARK, ILLINOIS 60525
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
18157640
Correspondence name and address
NIXON PEABODY LLP
70 WEST MADISON STREET
SUITE 5200
CHICAGO, IL 60602-4378

Search Results as of: 06/01/2024 12:50 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