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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 : JOHNSON, DAVID O.
Total Assignments: 9
Assignment: 1
Reel/Frame:015786/0108   Pages: 3
Recorded: 09/09/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
JOHNSON, DAVID O.
Exec Dt:
06/11/2004
Assignee
1
UNION OIL COMPANY OF CALIFORNIA
2141 ROSECRANS AVENUE
EL SEGUNDO, CALIFORNIA 90245
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060048937
10937649
Correspondence name and address
KONNEKER & SMITH, P.C.
MARLIN R. SMITH
660 N. CENTRAL EXPWY., SUITE 230
PLANO, TX 75074
Assignment: 2
Reel/Frame:014857/0678   Pages: 7
Recorded: 07/16/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RINGGENBERG, PAUL D.
Exec Dt:
06/21/2004
2
SKINNER, NEAL G.
Exec Dt:
06/21/2004
3
MAIDA, JR., JOHN L.
Exec Dt:
07/02/2004
4
JOHNSON, DAVID O.
Exec Dt:
06/28/2004
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7641395
US20050281511
10873849
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 3
Reel/Frame:027777/0130   Pages: 7
Recorded: 02/28/2012
Attorney Dkt #:2003-IP-012382 U1 D1C1 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RINGGENBERG, PAUL D.
Exec Dt:
06/21/2004
2
SKINNER, NEAL G.
Exec Dt:
06/21/2004
3
MAIDA, JOHN L., JR.
Exec Dt:
07/02/2004
4
JOHNSON, DAVID O.
Exec Dt:
06/28/2004
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120148204
13401955
Correspondence name and address
JOHN W. WUSTENBERG
P.O. BOX 1431
DUNCAN, OK 73536
Assignment: 4
Reel/Frame:027777/0491   Pages: 7
Recorded: 02/28/2012
Attorney Dkt #:2003-IP-012382 U1 D1 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RINGGENBERG, PAUL D.
Exec Dt:
06/21/2004
2
SKINNER, NEAL G.
Exec Dt:
06/21/2004
3
MAIDA, JOHN L., JR.
Exec Dt:
07/02/2004
4
JOHNSON, DAVID O.
Exec Dt:
06/28/2004
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100086257
12633333
Correspondence name and address
JOHN W. WUSTENBERG
P.O. BOX 1431
DUNCAN, OK 73536
Assignment: 5
Reel/Frame:027853/0454   Pages: 7
Recorded: 03/13/2012
Attorney Dkt #:03-012382 U1 D1D1-D5 US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RINGGENBERG, PAUL D.
Exec Dt:
06/21/2004
2
SKINNER, NEAL G.
Exec Dt:
06/21/2004
3
MAIDA, JOHN L., JR.
Exec Dt:
07/02/2004
4
JOHNSON, DAVID O.
Exec Dt:
06/28/2004
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
8550721
US20120174378
13418660
 
8757891
US20120170898
13418674
 
8511907
US20120170613
13418682
 
8523454
US20120170614
13418698
 
8550722
US20120170893
13418705
Correspondence name and address
JOHN W. WUSTENBERG
P.O. BOX 1431
DUNCAN, OK 73536
Assignment: 6
Reel/Frame:018219/0758   Pages: 6
Recorded: 09/08/2006
Attorney Dkt #:2005-IP-017188 U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOHNSON, DAVID O.
Exec Dt:
05/26/2006
2
SIERRA, JOSE
Exec Dt:
09/05/2006
3
DAVID, CHRISTOPHER
Exec Dt:
04/13/2006
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7360412
US20070186640
11356466
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 7
Reel/Frame:018647/0595   Pages: 5
Recorded: 12/18/2006
Attorney Dkt #:2006-IP-020172 U1 USA
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SIERRA, JOSE
Exec Dt:
12/12/2006
2
JOHNSON, DAVID O.
Exec Dt:
05/26/2006
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7637318
US20070235186
11394139
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 8
Reel/Frame:018219/0931   Pages: 10
Recorded: 09/08/2006
Attorney Dkt #:2005-IP-019088 U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GLASBERGEN, GERARD
Exec Dt:
08/11/2006
2
VAN BATENBURG, DIEDERIK
Exec Dt:
08/11/2006
3
DOMELEN, MARY VAN
Exec Dt:
07/14/2006
4
JOHNSON, DAVID O.
Exec Dt:
08/14/2006
5
SIERRA, JOSE
Exec Dt:
09/05/2006
6
EWERT, DAVID
Exec Dt:
07/21/2006
7
HANEY, JAMES
Exec Dt:
07/21/2006
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7398680
US20070234788
11398483
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006
Assignment: 9
Reel/Frame:018220/0001   Pages: 9
Recorded: 09/08/2006
Attorney Dkt #:2005-IP-019089 U1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GLASBERGEN, GERARD
Exec Dt:
08/11/2006
2
VAN BATENBURG, DIEDERIK
Exec Dt:
08/11/2006
3
DOMELEN, MARY VAN
Exec Dt:
07/14/2006
4
JOHNSON, DAVID O.
Exec Dt:
08/14/2006
5
SIERRA, JOSE
Exec Dt:
09/05/2006
6
WARREN, JOHN
Exec Dt:
07/19/2006
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
10200 BELLAIRE BOULEVARD
HOUSTON, TEXAS 77072
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070234789
11398503
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
2601 BELTLINE ROAD
1-B-121
CARROLLTON, TX 75006

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