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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 : GRIGSBY, TOMMY FRANK
Total Assignments: 13
Assignment: 1
Reel/Frame:006792/0223   Pages: 4
Recorded: 12/06/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
12/01/1993
2
Exec Dt:
12/01/1993
3
Exec Dt:
12/02/1993
Assignee
1
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08101713
Correspondence name and address
TRACY W. DRUCE
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
HALLIBURTON ENERGY SERVICES
MAIL CODE 1-E-135, P.O. BOX 819052
DALLAS, TX 75381
Assignment: 2
Reel/Frame:011592/0131   Pages: 12
Recorded: 03/05/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/22/2001
2
Exec Dt:
01/22/2001
3
Exec Dt:
01/22/2001
4
Exec Dt:
01/22/2001
5
Exec Dt:
01/22/2001
6
Exec Dt:
01/22/2001
7
Exec Dt:
01/22/2001
8
Exec Dt:
01/22/2001
9
Exec Dt:
01/22/2001
10
Exec Dt:
01/22/2001
Assignee
1
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09698327
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM M. IMWALLE
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
MAIL CODE 1-B-121 P.O. BOX 819052
DALLAS, TEXAS 75381
Assignment: 3
Reel/Frame:013683/0032   Pages: 13
Recorded: 01/02/2003
Conveyance: CORRECTIVE ASSIGNMENT TO CHANGE THE CORRESPONDENCE ADDRESS. DOCUMENT PREVIOUSLY RECORDED AT REEL 011592 FRAME 0131.
Assignors
1
Exec Dt:
01/23/2001
2
Exec Dt:
01/22/2001
3
Exec Dt:
01/22/2001
4
Exec Dt:
01/30/2001
5
Exec Dt:
01/22/2001
6
Exec Dt:
01/23/2001
7
Exec Dt:
02/05/2001
8
Exec Dt:
02/21/2001
9
Exec Dt:
02/05/2001
10
Exec Dt:
02/05/2001
Assignee
1
P.O. BOX 819052
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09698327
Correspondence name and address
CRUTSINGER & BOOTH
PETER V. SCHROEDER
1601 ELM STREET, SUITE 1950
DALLAS, TX 75201-4744
Assignment: 4
Reel/Frame:012055/0053   Pages: 4
Recorded: 07/26/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/18/2001
2
Exec Dt:
07/18/2001
Assignee
1
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052
DALLAS, TEXAS 75381
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09666802
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
WILLIAM M. IMWALLE
LEGAL, INTELLECTUAL PROPERTY DEPARTMENT
P.O. BOX 819052, MAIL CODE 1-B-121
DALLAS, TEXAS 75381
Assignment: 5
Reel/Frame:021780/0605   Pages: 10
Recorded: 11/04/2008
Attorney Dkt #:2008-IP-008636 U1 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/22/2008
2
Exec Dt:
09/22/2008
3
Exec Dt:
09/22/2008
4
Exec Dt:
09/25/2008
5
Exec Dt:
09/26/2008
6
Exec Dt:
09/22/2008
7
Exec Dt:
10/01/2008
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12201468
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 6
Reel/Frame:021780/0632   Pages: 9
Recorded: 11/04/2008
Attorney Dkt #:2008-IP-008637 U1 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/16/2008
2
Exec Dt:
10/16/2008
3
Exec Dt:
10/17/2008
4
Exec Dt:
10/16/2008
5
Exec Dt:
10/23/2008
6
Exec Dt:
10/17/2008
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12201655
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 7
Reel/Frame:025809/0822   Pages: 6
Recorded: 02/15/2011
Attorney Dkt #:2010-IP-039602 U1 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/31/2011
2
Exec Dt:
01/31/2011
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13020618
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 8
Reel/Frame:029078/0382   Pages: 5
Recorded: 10/04/2012
Attorney Dkt #:61429-392767
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/14/2011
2
Exec Dt:
10/01/2012
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12907121
Correspondence name and address
JOHN S. PRATT, ESQ.
KILPATRICK TOWNSEND & STOCKTON LLP
1100 PEACHTREE STREET, STE. 2800
ATLANTA, GA 30309
Assignment: 9
Reel/Frame:029030/0234   Pages: 4
Recorded: 09/26/2012
Attorney Dkt #:087638-0116
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/25/2012
2
Exec Dt:
09/25/2012
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13885502
Correspondence name and address
CAREY C. JORDAN
MCDERMOTT WILL & EMERY LLP
600 13TH STREET NW
WASHINGTON, DC 20005
Assignment: 10
Reel/Frame:029030/0709   Pages: 3
Recorded: 09/26/2012
Attorney Dkt #:087638-0117
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/25/2012
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13988099
Correspondence name and address
CAREY C. JORDAN
MCDERMOTT WILL & EMERY LLP
600 13TH STREET NW
WASHINGTON, DC 20005
Assignment: 11
Reel/Frame:030424/0081   Pages: 5
Recorded: 05/15/2013
Attorney Dkt #:087638-0244
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/25/2012
2
Exec Dt:
09/25/2012
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13885502
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
THE MCDERMOTT BUILDING
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001
Assignment: 12
Reel/Frame:030426/0550   Pages: 5
Recorded: 05/15/2013
Attorney Dkt #:087638-0246
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/25/2012
2
Exec Dt:
09/25/2012
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
13894830
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
THE MCDERMOTT BUILDING
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001
Assignment: 13
Reel/Frame:030444/0756   Pages: 3
Recorded: 05/17/2013
Attorney Dkt #:087638-0250
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
09/25/2012
Assignee
1
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
13988099
Correspondence name and address
MCDERMOTT WILL & EMERY LLP
THE MCDERMOTT BUILDING
500 NORTH CAPITOL STREET, N.W.
WASHINGTON, DC 20001

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