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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 : ONAN, DAVID D.
Total Assignments: 36
Assignment: 1
Reel/Frame:005763/0386   Pages: 4
Recorded: 07/15/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ONAN, DAVID D.
Exec Dt:
07/09/1991
2
DAVIS, GARLAND W.
Exec Dt:
07/09/1991
3
CROMWELL, ROGER S.
Exec Dt:
07/09/1991
Assignee
1
HALLIBURTON COMPANY, A CORPORATION OF DE
DUNCAN, OKLAHOMA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5159980
NONE
07722045
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P. O. DRAWER 1431
DUNCAN, OK 73536-0102
Assignment: 2
Reel/Frame:006334/0571   Pages: 5
Recorded: 11/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ONAN, DAVID D.
Exec Dt:
11/16/1992
2
DAVIS, GARLAND W.
Exec Dt:
11/16/1992
3
CROMWELL, ROGER S.
Exec Dt:
11/16/1992
4
RILEY, WENDELL D.
Exec Dt:
11/16/1992
Assignee
1
HALLIBURTON COMPANY
P.O. BOX 1431
HALLIBURTON SERVICES
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5293938
NONE
07960031
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 3
Reel/Frame:006409/0339   Pages: 5
Recorded: 02/08/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ONAN, DAVID D.
Exec Dt:
02/02/1993
2
TERRY, DRALEN T.
Exec Dt:
02/02/1993
3
TOTTEN, PATTY L.
Exec Dt:
02/02/1993
4
BRAKE, BOBBY G.
Exec Dt:
02/02/1993
5
KING, BOBBY J.
Exec Dt:
02/04/1993
Assignee
1
HALLIBURTON COMPANY
P.O. BOX 1431
THOMAS R. WEAVER, HALLIBURTON SERVICES
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5327968
NONE
07998279
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 4
Reel/Frame:006562/0036   Pages: 6
Recorded: 06/01/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
05/25/1993
2
BILA, VINCENT J.
Exec Dt:
05/18/1993
3
HANEY, JAMES L.
Exec Dt:
05/20/1993
4
FOLMNSBEE, GARY E.
Exec Dt:
05/19/1993
5
KOCH, RONNEY R.
Exec Dt:
05/18/1993
6
STILLEY, RANDALL D.
Exec Dt:
05/14/1993
7
WATTERS, LARRY T.
Exec Dt:
05/18/1993
Assignee
1
HALLIBURTON COMPANY
P.O. BOX 1431
HALLIBURTON SERVICES
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5346011
NONE
08041083
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 5
Reel/Frame:006585/0550   Pages: 4
Recorded: 06/23/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
05/25/1993
2
TERRY, DRALEN T.
Exec Dt:
06/01/1993
3
BRAKE, BOBBY G.
Exec Dt:
05/25/1993
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON SERVICES
P.O. BOX 1431 DUNCAN, OK 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5383521
NONE
08041745
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERRVICES
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 6
Reel/Frame:006589/0048   Pages: 5
Recorded: 06/23/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TERRY, DRALEN T.
Exec Dt:
06/03/1993
2
ONAN, DAVID D.
Exec Dt:
06/03/1993
3
TOTTEN, PATTY L.
Exec Dt:
06/04/1993
4
KING, BOBBY J.
Exec Dt:
06/03/1993
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON SERVICES P.O. BOX 1431 DUNCAN, OK 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5295543
NONE
08049056
Correspondence name and address
THOMAS R. WEAVER
HALLIBURTON SERVICES
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 7
Reel/Frame:006831/0953   Pages: 4
Recorded: 01/18/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
01/07/1994
2
BRAKE, BOBBY G.
Exec Dt:
01/07/1994
3
TERRY, DRALEN T.
Exec Dt:
01/07/1994
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES, P.O. BOX 1431
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5355954
NONE
08146767
Correspondence name and address
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 8
Reel/Frame:006826/0945   Pages: 4
Recorded: 01/24/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
01/17/1994
2
BRAKE, BOBBY G.
Exec Dt:
01/17/1994
3
TERRY, DRALEN T.
Exec Dt:
01/17/1994
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536-0102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5398758
NONE
08159649
Correspondence name and address
ROBERT A. KENT
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 9
Reel/Frame:007463/0207   Pages: 3
Recorded: 04/24/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
04/19/1995
2
BRAKE, BOBBY G.
Exec Dt:
04/19/1995
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5501277
NONE
08399266
Correspondence name and address
HALLIBURTON ENERGY SERVICES
ROBERT A. KENT
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 10
Reel/Frame:007853/0454   Pages: 3
Recorded: 03/13/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
03/11/1996
2
CROOK, RONALD J.
Exec Dt:
03/08/1996
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
PO BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5791380
NONE
08570845
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
PO BOX 1431
DUNCAN, OKLAHOMA 73536-0102
Assignment: 11
Reel/Frame:007922/0616   Pages: 4
Recorded: 05/02/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
04/18/1996
2
GRIFFITH, JAMES E.
Exec Dt:
04/24/1996
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5696059
NONE
08593307
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 12
Reel/Frame:008008/0335   Pages: 6
Recorded: 06/24/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TERRY, DRALEN T.
Exec Dt:
06/18/1996
2
DAVIS, GARLAND W.
Exec Dt:
06/19/1996
3
KING, BOBBY J.
Exec Dt:
06/19/1996
4
CHATTERJI, JITEN
Exec Dt:
06/19/1996
5
TOTTEN, PATTY L.
Exec Dt:
06/19/1996
6
ONAN, DAVID D.
Exec Dt:
06/19/1996
Assignee
1
HALLIBURTON COMPANY
HALLIBURTON ENERGY SERVICES
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5711383
NONE
08635443
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 13
Reel/Frame:008107/0486   Pages: 5
Recorded: 08/27/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
08/22/1996
2
KING, BOBBY J.
Exec Dt:
08/22/1996
3
TOTTEN, PATTY L.
Exec Dt:
08/23/1996
4
ONAN, DAVID D.
Exec Dt:
08/23/1996
Assignee
1
HALLIBURTON COMPANY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5688844
NONE
08673970
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OK 73536-0102
Assignment: 14
Reel/Frame:008764/0271   Pages: 3
Recorded: 10/20/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
ONAN, DAVID D.
Exec Dt:
10/10/1997
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5738463
NONE
08698376
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 15
Reel/Frame:008787/0928   Pages: 5
Recorded: 11/07/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
11/03/1997
2
KING, BOBBY J.
Exec Dt:
11/03/1997
3
ONAN, PATTY L.
Exec Dt:
11/03/1997
4
ONAN, DAVID D.
Exec Dt:
11/03/1997
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5820670
NONE
08868223
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 16
Reel/Frame:008841/0841   Pages: 4
Recorded: 12/08/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
11/21/1997
2
ONAN, DAVID D.
Exec Dt:
11/24/1997
3
CROMWELL, ROGER S.
Exec Dt:
11/21/1997
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5945387
NONE
08881108
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 17
Reel/Frame:008858/0862   Pages: 5
Recorded: 12/16/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
12/10/1997
2
ONAN, DAVID D.
Exec Dt:
12/09/1997
3
CROMWELL, ROGER S.
Exec Dt:
12/09/1997
4
KING, BOBBY J.
Exec Dt:
12/10/1997
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5897699
NONE
08899043
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 18
Reel/Frame:008930/0026   Pages: 5
Recorded: 01/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
01/08/1998
2
ONAN, DAVID D.
Exec Dt:
01/08/1998
3
CROMWELL, ROGER S.
Exec Dt:
01/08/1998
4
KING, BOBBY J.
Exec Dt:
01/08/1998
5
ONAN, PATTY L.
Exec Dt:
01/08/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5873413
NONE
08914594
Correspondence name and address
HALIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OK 73536-0102
Assignment: 19
Reel/Frame:008917/0138   Pages: 4
Recorded: 01/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BROTHERS, LANCE E.
Exec Dt:
01/13/1998
2
ONAN, DAVID D.
Exec Dt:
01/20/1998
3
MORGAN, RICKEY L.
Exec Dt:
01/14/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5779787
NONE
08912136
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OK 73536-0102
Assignment: 20
Reel/Frame:009080/0845   Pages: 5
Recorded: 03/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
02/19/1998
2
BENNETT, BILLY J.
Exec Dt:
03/13/1998
3
BRUMLEY, JOHN L.
Exec Dt:
02/19/1998
4
SAYERS, NORMAN A.
Exec Dt:
02/17/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5869750
NONE
08947410
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OK 73536-0102
Assignment: 21
Reel/Frame:009021/0302   Pages: 4
Recorded: 03/04/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
02/25/1998
2
CROMWELL, ROGER S.
Exec Dt:
02/24/1998
3
CHATTERJI, JITEN
Exec Dt:
02/28/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5968879
NONE
08854826
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 22
Reel/Frame:009074/0823   Pages: 5
Recorded: 03/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
03/16/1998
2
ONAN, DAVID D.
Exec Dt:
03/13/1998
3
KING, BOBBY J.
Exec Dt:
03/10/1998
4
CROMWELL, ROGER S.
Exec Dt:
03/10/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5957204
NONE
08979047
Correspondence name and address
HALLIBURTON ENERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OKLAHOMA 73536-0102
Assignment: 23
Reel/Frame:009079/0142   Pages: 5
Recorded: 03/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
03/16/1998
2
NORMAN, LEWIS R.
Exec Dt:
03/16/1998
3
ONAN, DAVID D.
Exec Dt:
03/16/1998
4
KING, BOBBY J.
Exec Dt:
03/16/1998
5
CROMWELL, ROGER S.
Exec Dt:
03/16/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
5151 SAN FELIPE
HOUSTON, TEXAS 77056
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6059036
NONE
08979435
Correspondence name and address
HALLIBURTON ENEERGY SERVICES, INC.
CRAIG W. RODDY
1015 BOIS D'ARC
DUNCAN, OK 73536-0102
Assignment: 24
Reel/Frame:009194/0497   Pages: 6
Recorded: 05/11/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
05/04/1998
2
CHATTERJI, JITEN
Exec Dt:
04/27/1998
3
CROMWELL, ROGER S.
Exec Dt:
04/27/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON, DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6006835
NONE
09024596
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 25
Reel/Frame:009205/0739   Pages: 6
Recorded: 05/19/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
05/12/1998
2
ONAN, DAVID D.
Exec Dt:
05/12/1998
3
CROMWELL, ROGER S.
Exec Dt:
05/12/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DR.
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6012524
NONE
09060535
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P. O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 26
Reel/Frame:009211/0639   Pages: 5
Recorded: 05/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
05/12/1998
2
ONAN, DAVID D.
Exec Dt:
05/12/1998
3
CROMWELL, ROGER S.
Exec Dt:
05/12/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DR.
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5875845
NONE
09059273
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P. O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 27
Reel/Frame:009229/0403   Pages: 7
Recorded: 05/26/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
05/20/1998
2
CHATTERJI, JITEN
Exec Dt:
05/19/1998
3
KING, BOBBY J.
Exec Dt:
05/20/1998
4
CHAN, PATTY L.
Exec Dt:
05/20/1998
5
CROMWELL, ROGER S.
Exec Dt:
05/20/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5969006
NONE
09027271
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 28
Reel/Frame:009254/0612   Pages: 7
Recorded: 06/05/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
06/02/1998
2
ONAN, DAVID D.
Exec Dt:
06/02/1998
3
KING, BOBBY J.
Exec Dt:
06/02/1998
4
ONAN, PATTY L.
Exec Dt:
06/02/1998
5
CROMWELL, ROGER S
Exec Dt:
06/02/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5875844
NONE
09031136
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 29
Reel/Frame:009326/0612   Pages: 7
Recorded: 06/25/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
06/19/1998
2
ONAN, DAVID D.
Exec Dt:
06/22/1998
3
ONAN, PATTY L.
Exec Dt:
06/24/1998
4
KING, BOBBY J.
Exec Dt:
06/19/1998
5
CROMWELL, ROGER S.
Exec Dt:
06/19/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5875846
NONE
09087056
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 30
Reel/Frame:009319/0121   Pages: 6
Recorded: 07/17/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
07/10/1998
2
ONAN, DAVID D.
Exec Dt:
07/10/1998
3
KING, BOBBY J.
Exec Dt:
07/10/1998
4
CROMWELL, ROGER S.
Exec Dt:
07/10/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6068055
NONE
09107497
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536-0102
Assignment: 31
Reel/Frame:009322/0867   Pages: 7
Recorded: 07/15/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
07/10/1998
2
ONAN, DAVID D.
Exec Dt:
07/10/1998
3
ONAN, PATTY L.
Exec Dt:
07/10/1998
4
KING, BOBBY J.
Exec Dt:
07/10/1998
5
CROMWELL, ROGER S.
Exec Dt:
07/10/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6006836
NONE
09087405
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 32
Reel/Frame:009322/0897   Pages: 7
Recorded: 07/16/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
07/10/1998
2
CHATTERJI, JITEN
Exec Dt:
07/10/1998
3
KING, BOBBY J.
Exec Dt:
07/10/1998
4
CROMWELL, ROGER S.
Exec Dt:
07/10/1998
5
ONAN, PATTY L.
Exec Dt:
07/10/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5911282
NONE
08989190
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 33
Reel/Frame:009335/0899   Pages: 6
Recorded: 07/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
07/17/1998
2
ONAN, DAVID D.
Exec Dt:
07/17/1998
3
KING, BOBBY J.
Exec Dt:
07/20/1998
4
CROMWELL, ROGER S,
Exec Dt:
07/16/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6059035
NONE
09119110
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 34
Reel/Frame:009411/0832   Pages: 6
Recorded: 08/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
08/17/1998
2
CROMWELL, ROGER S.
Exec Dt:
08/17/1998
3
ONAN, DAVID D.
Exec Dt:
08/17/1998
4
KING, BOBBY J.
Exec Dt:
08/18/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6098711
NONE
09135998
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OKLAHOMA 73536-0102
Assignment: 35
Reel/Frame:009477/0809   Pages: 6
Recorded: 09/23/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
CHATTERJI, JITEN
Exec Dt:
09/21/1998
2
ONAN, DAVID D.
Exec Dt:
09/22/1998
3
CROMWELL, ROGER S.
Exec Dt:
09/18/1998
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6279652
NONE
09159286
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OK 73536-0102
Assignment: 36
Reel/Frame:009746/0798   Pages: 6
Recorded: 02/02/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ONAN, DAVID D.
Exec Dt:
01/27/1999
2
GRAY, DENNIS W.
Exec Dt:
02/01/1999
3
FITZGERALD, RUSSELL M.
Exec Dt:
02/01/1999
4
JOHNSON, JOHNNY W.
Exec Dt:
02/01/1999
Assignee
1
HALLIBURTON ENERGY SERVICES, INC.
4100 CLINTON DRIVE
HOUSTON, TEXAS 77020
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6055874
NONE
09243322
Correspondence name and address
HALLIBURTON ENERGY SERVICES
CRAIG W. RODDY
P.O. BOX 1431
DUNCAN, OKLAHOMA 73533

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