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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 : SRESHTA, HAROLD
Total Assignments: 12
Assignment: 1
Reel/Frame:011859/0915   Pages: 4
Recorded: 06/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SRESHTA, HAROLD
Exec Dt:
02/12/2001
2
DRAKE, ERIC F.
Exec Dt:
02/12/2001
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6361739
NONE
09782341
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 NORTH GESSNER
HOUSTON, TX 77040
Assignment: 2
Reel/Frame:023344/0811   Pages: 6
Recorded: 10/08/2009
Attorney Dkt #:2160.014800/JED
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SRESHTA, HAROLD
Exec Dt:
08/25/2009
2
DRAKE, ERIC
Exec Dt:
08/26/2009
3
CARAWAY, DOUGLAS
Exec Dt:
08/25/2009
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8945720
US20110031028
12536624
Correspondence name and address
JEFFERY E. DALY
10333 RICHMOND, SUITE 1100
HOUSTON, TX 77042
Assignment: 3
Reel/Frame:034596/0491   Pages: 8
Recorded: 12/29/2014
Attorney Dkt #:78.1325-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SRESHTA, HAROLD
Exec Dt:
08/25/2009
2
DRAKE, ERIC
Exec Dt:
08/26/2009
3
CARAWAY, DOUGLAS
Exec Dt:
08/25/2009
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150107908
14585149
Correspondence name and address
THE JL SALAZAR LAW FIRM, PLLC
1934 W. GRAY STREET, SUITE 401
HOUSTON, TX 77019
Assignment: 4
Reel/Frame:025628/0559   Pages: 3
Recorded: 01/13/2011
Attorney Dkt #:2160.019300/JED
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUE, JIINJEN ALBERT
Exec Dt:
01/04/2011
2
SRESHTA, HAROLD
Exec Dt:
01/04/2011
Assignee
1
NATIONAL OILWELL DHT, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8997900
US20120152622
12968590
Correspondence name and address
JEFFERY E. DALY
10333 RICHMOND, SUITE 1100
HOUSTON, TX 77042
Assignment: 5
Reel/Frame:035044/0168   Pages: 3
Recorded: 02/26/2015
Attorney Dkt #:60.3186-1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUE, JIINJEN ALBERT
Exec Dt:
01/04/2011
2
SRESHTA, HAROLD
Exec Dt:
01/04/2011
Assignee
1
NATIONAL OILWELL DHT, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150176335
14632910
Correspondence name and address
THE JL SALAZAR LAW FIRM, PLLC
1934 W. GRAY STREET, SUITE 401
HOUSTON, TX 77019
Assignment: 6
Reel/Frame:026659/0209   Pages: 2
Recorded: 07/27/2011
Attorney Dkt #:78.1407
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JIANG, ALAN HONGGEN
Exec Dt:
01/17/2011
2
SRESHTA, HAROLD
Exec Dt:
01/17/2011
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8814968
US20110167734
13005869
Correspondence name and address
JL SALAZAR LAW FIRM
1934 W. GRAY STREET
SUITE 401
HOUSTON, TX 77019
Assignment: 7
Reel/Frame:026239/0647   Pages: 4
Recorded: 05/06/2011
Attorney Dkt #:60.3106
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SRESHTA, HAROLD
Exec Dt:
05/03/2011
2
SUE, JIINJEN ALBERT
Exec Dt:
05/03/2011
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110171414
12951193
Correspondence name and address
JL SALAZAR LAW FIRM
1934 W. GRAY STREET
SUITE 401
HOUSTON, TX 77019
Assignment: 8
Reel/Frame:026823/0639   Pages: 6
Recorded: 08/29/2011
Attorney Dkt #:1814-62601
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SRESHTA, HAROLD
Exec Dt:
08/16/2011
2
SUE, JIINJEN ALBERT
Exec Dt:
08/16/2011
3
BUTUC, STEFAN
Exec Dt:
08/17/2011
4
MARSHALL, JAN
Exec Dt:
08/16/2011
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9309767
NONE
13817032
Correspondence name and address
THADDEUS J. FALESKI
CONLEY ROSE, P.C.
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 9
Reel/Frame:026858/0154   Pages: 11
Recorded: 09/06/2011
Attorney Dkt #:1814-62601
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE PCT SERIAL NUMBER PREVIOUSLY RECORDED ON REEL 026823 FRAME 0639. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNOR(S) HEREBY CONFIRM THE ASSIGNOR(S) INTEREST.
Assignors
1
SRESHTA, HAROLD
Exec Dt:
08/16/2011
2
SUE, JIINJEN ALBERT
Exec Dt:
08/16/2011
3
BUTUC, STEFAN
Exec Dt:
08/17/2011
4
MARSHALL, JAN
Exec Dt:
08/16/2011
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9309767
NONE
13817032
Correspondence name and address
THADDEUS J. FALESKI
CONLEY ROSE, P.C.
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 10
Reel/Frame:027586/0455   Pages: 5
Recorded: 01/24/2012
Attorney Dkt #:1814-61203
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUE, JIINJEN ALBERT
Exec Dt:
01/24/2012
2
SRESHTA, HAROLD
Exec Dt:
01/24/2012
3
PILLAI, RAJAGOPALA
Exec Dt:
01/24/2012
Assignee
1
REEDHYCALOG, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8535408
US20130020136
13357244
Correspondence name and address
THADDEUS J. FALESKI
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 11
Reel/Frame:028467/0283   Pages: 5
Recorded: 06/29/2012
Attorney Dkt #:1814-70500
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUE, JIINJEN ALBERT
Exec Dt:
06/28/2012
2
SRESHTA, HAROLD
Exec Dt:
06/28/2012
3
PILLAI, RAJAGOPALA
Exec Dt:
06/28/2012
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10590704
US20150322719
14410475
Correspondence name and address
THADDEUS J. FALESKI
1001 MCKINNEY, SUITE 1800
HOUSTON, TX 77002
Assignment: 12
Reel/Frame:034570/0925   Pages: 5
Recorded: 12/22/2014
Attorney Dkt #:1814-70508
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SUE, JIINJEN ALBERT
Exec Dt:
06/28/2012
2
SRESHTA, HAROLD
Exec Dt:
06/28/2012
3
PILLAI, RAJAGOPALA
Exec Dt:
06/28/2012
Assignee
1
NATIONAL OILWELL VARCO, L.P.
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10590704
US20150322719
14410475
Correspondence name and address
THADDEUS J. FALESKI
1001 MCKINNEY, SUITE 1800
HOUSTON, TX 77002

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