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Patent Assignment Assignor Details
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Assignor Name : SCHULTE, DAVID L., JR.
Total Assignments: 17
Assignment: 1
Reel/Frame:009092/0695   Pages: 2
Recorded: 12/23/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, THOMAS C.
Exec Dt:
07/23/1997
2
SCHULTE, DAVID L., JR.
Exec Dt:
07/25/1997
3
MCCLUNG, GUY L., III
Exec Dt:
07/28/1997
Assignee
1
TUBOSCOPE VETCO INTERNATIONAL, INC.
2838 HOLMES ROAD
HOUSTON, TEXAS 77051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5988397
NONE
08895976
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
SPRING, TX 77379-7023
Assignment: 2
Reel/Frame:012801/0405   Pages: 4
Recorded: 04/16/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, THOMAS C.
Exec Dt:
02/13/2002
2
WARD, KERRY
Exec Dt:
02/26/2002
3
SCHULTE, DAVID L., JR.
Exec Dt:
02/14/2002
4
SEYFFERT, KENNETH WAYNE
Exec Dt:
02/27/2002
5
LARGENT, DAVID WAYNE
Exec Dt:
02/13/2002
6
GRICHAR, CHARLES N.
Exec Dt:
02/13/2002
7
MCCLUNG, GUY L., III
Exec Dt:
02/13/2002
8
WALKER, JEFFREY E.
Exec Dt:
02/18/2002
9
LEONE, VINCENT D.
Exec Dt:
02/13/2002
Assignee
1
VARCO I/P, INC.
2838 HOLMES RD.
HOUSTON, TEXAS 77051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6669985
US20020168469
10037474
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
SPRING, TEXAS 77379-7023
Assignment: 3
Reel/Frame:012931/0547   Pages: 5
Recorded: 05/24/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, THOMAS C.
Exec Dt:
03/26/2002
2
WARD, KERRY
Exec Dt:
03/28/2002
3
SEYFFERT, KENNETH WAYNE
Exec Dt:
04/02/2002
4
LARGENT, DAVID WAYNE
Exec Dt:
04/01/2002
5
SCHULTE, DAVID L., JR.
Exec Dt:
03/28/2002
6
GRICHAR, CHARLES N.
Exec Dt:
03/22/2002
7
LEONE, VINCENT D.
Exec Dt:
03/25/2002
8
MCCLUNG, GUY L., III
Exec Dt:
03/22/2002
9
WALKER, JEFFREY E.
Exec Dt:
03/26/2002
Assignee
1
VARCO I/P, INC.
2838 HOLMES RD.
HOUSTON, TEXAS 77051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6736270
US20020130064
10087025
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
PMB 347
SPRING, TEX 77379-7023
Assignment: 4
Reel/Frame:013085/0886   Pages: 3
Recorded: 07/09/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CRABBE, MARK
Exec Dt:
06/13/2002
2
SCHULTE, DAVID L., JR.
Exec Dt:
06/15/2002
3
GRICHAR, CHARLES N.
Exec Dt:
06/15/2002
Assignee
1
VARCO I/P
2838 HOLMES RD.
HOUSTON, TEXAS 77051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6715611
US20020175111
10143518
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DRIVE
PMB 347
SPRING, TX 77379-7023
Assignment: 5
Reel/Frame:013292/0447   Pages: 3
Recorded: 09/16/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHULTE, DAVID L., JR.
Exec Dt:
08/08/2002
2
GRICHAR, CHARLES N.
Exec Dt:
08/06/2002
Assignee
1
VARCO I/P
2838 HOLMES RD.
HOUSTON, TEXAS 77051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6863183
US20040238414
10169484
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
PMB 347
SPRING, TEXAS 77379-7023
Assignment: 6
Reel/Frame:013480/0040   Pages: 5
Recorded: 11/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, THOMAS C.
Exec Dt:
10/11/2002
2
WARD, KERRY
Exec Dt:
10/18/2002
3
SCHULTE, DAVID L., JR.
Exec Dt:
10/11/2002
4
SEYFFERT, KENNETH WAYNE
Exec Dt:
10/18/2002
5
GRICHAR, CHARLES N.
Exec Dt:
10/08/2002
6
LEONE, VINCENT D.
Exec Dt:
10/08/2002
7
WALKER, JEFFREY E.
Exec Dt:
10/13/2002
8
MCCLUNG, GUY L., III
Exec Dt:
11/02/2002
Assignee
1
VARCO I/P, INC.
2838 HOLMES RD.
HOUSTON, TEXAS 77051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030042179
10236050
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
PMB 347
SPRING, TEXAS 77379-7023
Assignment: 7
Reel/Frame:014012/0197   Pages: 2
Recorded: 04/28/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHULTE, DAVID L., JR.
Exec Dt:
04/14/2003
2
MCCLUNG, GUY L., III
Exec Dt:
04/21/2003
Assignee
1
VARCO I/P, INC.
2000 SAM HOUSTON PARKWAY SOUTH
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7063214
US20040149632
10359733
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
SPRING, TX 77379-7023
Assignment: 8
Reel/Frame:014493/0248   Pages: 2
Recorded: 09/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHULTE, DAVID L., JR.
Exec Dt:
06/27/2003
2
ADAMS, THOMAS C.
Exec Dt:
06/19/2003
3
WARD, KERRY
Exec Dt:
06/19/2003
4
SEYFFERT, KENNETH W.
Exec Dt:
06/19/2003
5
GRICHAR, CHARLES N.
Exec Dt:
06/19/2003
6
LEONE, VINCENT D.
Exec Dt:
07/09/2003
7
WALKER, JEFFREY E.
Exec Dt:
06/19/2003
8
LARGENT, DAVID W.
Exec Dt:
06/19/2003
9
MCCLUNG, GUY L., III
Exec Dt:
06/19/2003
Assignee
1
VARCO I/P, INC.
2000 SAM HOUSTON PARKWAY
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040007508
10429233
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DRIVE
PMB 347
SPRING, TEXAS 77379-7023
Assignment: 9
Reel/Frame:014611/0915   Pages: 2
Recorded: 10/15/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, THOMAS C.
Exec Dt:
06/05/2003
2
SCHULTE, DAVID L., JR.
Exec Dt:
08/06/2003
3
SEYFFERT, KENNETH WAYNE
Exec Dt:
07/31/2003
4
LARGENT, DAVID WAYNE
Exec Dt:
07/31/2003
5
MCCLUNG, GUY L., III
Exec Dt:
07/31/2003
Assignee
1
VARCO I/P, INC.
2000 SAM HOUSTON PARKWAY
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7000777
US20040074817
10614697
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DR.
SPRING, TX 77379-7023
Assignment: 10
Reel/Frame:015379/0355   Pages: 2
Recorded: 11/15/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WARD, KERRY
Exec Dt:
01/13/2004
2
ADAMS, THOMAS C.
Exec Dt:
01/13/2004
3
SEYFFERT, KENNETH W.
Exec Dt:
01/13/2004
4
LARGENT, DAVID W.
Exec Dt:
01/13/2004
5
SCHULTE, DAVID L., JR.
Exec Dt:
01/19/2004
6
LEONE, VINCENT D.
Exec Dt:
12/16/2003
7
WALKER, JEFFREY E.
Exec Dt:
12/15/2003
8
GRICHAR, CHARLES N.
Exec Dt:
12/12/2003
9
MCCLUNG, GUY L., III
Exec Dt:
01/07/2004
Assignee
1
VARCO I/P INC.
2000 SAM HOUSTON PARKWAY
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040112522
10649316
Correspondence name and address
GUY MCCLUNG
PMB 347
16690 CHAMPION FOREST DR.
SPRING, TX 77379-7023
Assignment: 11
Reel/Frame:015684/0265   Pages: 3
Recorded: 08/16/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADAMS, THOMAS C.
Exec Dt:
06/22/2004
2
SMITH, HAYNES
Exec Dt:
06/23/2004
3
ADAMS, JAMES
Exec Dt:
06/30/2004
4
GRICHAR, CHARLES NEWTON
Exec Dt:
07/07/2004
5
WARD, KERRY
Exec Dt:
07/07/2004
6
BURNETT, GEORGE ALEXANDER
Exec Dt:
07/15/2004
7
SEYFFERT, KENNETH W.
Exec Dt:
07/15/2004
8
SCHULTE, DAVID L., JR.
Exec Dt:
07/15/2004
9
MCCLUNG, GUY L., III
Exec Dt:
07/15/2004
Assignee
1
VARCO I/P, INC.
2000 SAM HOUSTON PARKWAY
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050035033
10762768
Correspondence name and address
GUY MCCLUNG
16690 CHAMPION FOREST DRIVE, PMB 347
SPRING, TEXAS 77379-7023
Assignment: 12
Reel/Frame:016629/0534   Pages: 3
Recorded: 05/31/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHULTE, DAVID L., JR.
Exec Dt:
04/19/2005
2
GRICHAR, CHARLES N.
Exec Dt:
05/23/2005
3
MCCLUNG, GUY L., III
Exec Dt:
05/23/2005
Assignee
1
VARCO I/P
2838 HOLMES RD.
HOUSTON, TEXAS 77051
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7216767
US20050199532
11071603
Correspondence name and address
GUY MCCLUNG
PMB 347
16690 CHAMPION FOREST DR.
SPRING, TEXAS 77379-7023
Assignment: 13
Reel/Frame:016725/0924   Pages: 5
Recorded: 06/23/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LARGENT, DAVID WAYNE
Exec Dt:
04/19/2005
2
ADAMS, THOMAS C.
Exec Dt:
04/19/2005
3
ADAMS, JAMES
Exec Dt:
04/19/2005
4
WARD, KERRY
Exec Dt:
06/07/2005
5
WALKER, JEFFREY E.
Exec Dt:
04/27/2005
6
BURNETT, GEORGE A.
Exec Dt:
06/09/2005
7
SCHULTE, DAVID L., JR.
Exec Dt:
04/19/2005
8
SMITH, HAYNES
Exec Dt:
05/26/2005
9
GRICHAR, CHARLES NEWTON
Exec Dt:
05/25/2005
10
SEYFFERT, KENNETH W.
Exec Dt:
04/27/2005
11
MCCLUNG, GUY L., III
Exec Dt:
04/27/2005
Assignee
1
VARCO I/P, INC.
2000 SAM HOUSTON PARKWAY
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050224398
11063667
Correspondence name and address
GUY MCCLUNG
PMB 347
16690 CHAMPION FOREST DRIVE
SPRING, TEXAS 77379-7023
Assignment: 14
Reel/Frame:016751/0076   Pages: 2
Recorded: 07/05/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHULTE, DAVID L., JR.
Exec Dt:
06/09/2005
2
ADAMS, THOMAS C.
Exec Dt:
06/09/2005
3
SEYFFERT, KENNETH WAYNE
Exec Dt:
05/27/2005
4
MCCLUNG, GUY L., III
Exec Dt:
06/30/2005
Assignee
1
VARCO I/P, INC.
10000 RICHMOND
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050236305
11130019
Correspondence name and address
GUY MCCLUNG
PMB 347
16690 CHAMPION FOREST DR.
SPRING, TX 77379-7023
Assignment: 15
Reel/Frame:055485/0714   Pages: 5
Recorded: 12/28/2020
Attorney Dkt #:5233.266US1
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE TO VARCO I/P, INC. THAT WAS INCORRECTLY RECORDED AS VARCO I/P PREVIOUSLY RECORDED ON REEL 020141 FRAME 0892. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
SCHULTE, DAVID L., JR.
Exec Dt:
09/28/2007
2
LARSON, THOMAS ROBERT
Exec Dt:
09/28/2007
3
DUFILHO, PAUL WILLIAM
Exec Dt:
09/28/2007
Assignee
1
VARCO I/P, INC.
10000 RICHMOND
HOUSTON, TEXAS 77042
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8622220
US20090057205
11897975
Correspondence name and address
SCHWEGMAN LUNDBERG & WOESSNER, P.A.
P.O. BOX 2938
MINNEAPOLIS, MN 55402
Assignment: 16
Reel/Frame:020515/0527   Pages: 2
Recorded: 02/07/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DUFILHO, PAUL WILLIAM
Exec Dt:
01/29/2008
2
SCHULTE, DAVID L., JR.
Exec Dt:
01/21/2008
Assignee
1
NATIONAL OILWELL VARCO L.P.
7909 PARKWOOD CIR.
P.O. BOX 4888
HOUSTON, TEXAS 77210
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090145816
12001485
Correspondence name and address
GUY MCCLUNG
#114
5315-B F.M. 1960 RD. WEST
HOUSTON, TX 77069-4410
Assignment: 17
Reel/Frame:022667/0502   Pages: 3
Recorded: 05/05/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHULTE, DAVID L., JR.
Exec Dt:
03/06/2009
2
DUFILHO, PAUL
Exec Dt:
04/29/2009
3
LARSON, THOMAS
Exec Dt:
04/29/2009
Assignee
1
NATIONAL OILWELL VARCO LP
7909 PARKWOOD CIRCLE DRIVE
HOUSTON, TEXAS 77036
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100181265
12321358
Correspondence name and address
GUY MCCLUNG
5315B FM 1960 ROAD WEST, #114
HOUSTON, TEXAS 77069-4410

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