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Patent Assignment Assignor Details
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Assignor Name : BARR, JOHN D.
Total Assignments: 35
Assignment: 1
Reel/Frame:004003/0307   Pages: 1
Recorded: 06/22/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
06/07/1982
Assignee
1
DRILLING AND SERVICE U.K. LIMITED, A BRITISH COMPANY
STRUD INDUSTRIAL ESTATE, OLDENDS LANE, STONEHOUSE
GLOUCESTERSHIRE GL10 3RQ, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4382477
NONE
06223836
Correspondence name and address
CUSHMAN, DARBY & CUSHMAN
1801 K ST., N. W., 8TH FLR.
WASHINGTON, DC 20006
Assignment: 2
Reel/Frame:004274/0330   Pages: 2
Recorded: 03/14/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
02/13/1984
2
LAMB, HAYDN R.
Exec Dt:
02/13/1984
Assignee
1
NL INDUSTRIES, INC., 1230 AVENUE OF THE AMERICAS NEW YORK, NY A CORP. OF NJ
NEW JERSEY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4605157
NONE
06575555
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 3
Reel/Frame:004274/0332   Pages: 2
Recorded: 03/14/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
MATTHIAS, TERRY
Exec Dt:
02/13/1984
2
BARR, JOHN D.
Exec Dt:
02/13/1984
Assignee
1
NL INDUSTRIES, INC., NEW YORK, NY A CORP. OF
NEW JERSEY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4570725
NONE
06575556
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 4
Reel/Frame:004232/0112   Pages: 2
Recorded: 03/14/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
02/22/1984
Assignee
1
NL INDUSTRIES, INC., A CORP OF NJ
1230 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4558753
NONE
06468669
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 5
Reel/Frame:004232/0119   Pages: 2
Recorded: 03/14/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
02/22/1984
2
FULLER, JOHN M.
Exec Dt:
02/22/1984
Assignee
1
NL INDUSTRIES, INC., A CORP OF NJ
1230 AVENUE OF THE AMERICAS
NEW YORK, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4505342
NONE
06443657
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI AND ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 6
Reel/Frame:004258/0536   Pages: 1
Recorded: 04/13/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
04/09/1984
2
FULLER, JOHN M.
Exec Dt:
04/09/1984
Assignee
1
NL INDUSTRIES, INC., 1230 AVENUE OF THE AMERICAS, NEW YORK, NY A NJ CORP.
NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4640375
NONE
06578182
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI
& ANDERSON
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 7
Reel/Frame:004340/0278   Pages: 1
Recorded: 04/13/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
04/09/1984
Assignee
1
NL INDUSTRIES INC.
1230 AVENUE OF THE AMERICAS
A CORP. OF NEW JERSEY
NEW YORK, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4593777
NONE
06578183
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 8
Reel/Frame:004306/0187   Pages: 1
Recorded: 05/10/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
04/30/1984
Assignee
1
NL PETROLEUM PRODUCTS LIMITED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4577706
NONE
06611008
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 9
Reel/Frame:004360/0692   Pages: 1
Recorded: 11/30/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
11/14/1984
Assignee
1
NL PETROLEUM PRODUCTS LIMITED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4804049
NONE
06676710
Correspondence name and address
WILLIAM E. JOHNSON, JR.,
NL INDUSTRIES, INC.,
OFFICE OF GENERAL COUNSEL
P. O. BOX 60087
HOUSTON, TX 77205
Assignment: 10
Reel/Frame:004373/0139   Pages: 1
Recorded: 11/30/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
11/14/1984
Assignee
1
NL PETROLEUM PRODUCTS LIMITED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4624830
NONE
06676697
Correspondence name and address
WILLIAM E. JOHNSON, JR.,
NL INDUSTRIES, INC.,
OFFICE OF GENERAL COUNSEL
P. O. BOX 60087
HOUSTON, TX 77205
Assignment: 11
Reel/Frame:004373/0140   Pages: 1
Recorded: 11/30/1984
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
11/14/1984
2
WARDLEY, MICHAEL T.
Exec Dt:
11/14/1984
Assignee
1
NL PETROLEUM PRODUCTS LIMITED
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4679639
NONE
06676696
Correspondence name and address
WILLIAM E. JOHNSON, JR.,
NL INDUSTRIES INC.,
OFFICE OF GENERAL COUNSEL
P. O. BOX 60087
HOUSTON, TX 77205
Assignment: 12
Reel/Frame:004398/0687   Pages: 2
Recorded: 04/22/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
04/16/1985
2
MATTHIAS, TERRY R.
Exec Dt:
04/16/1985
3
TAYLOR, MALCOLM R.
Exec Dt:
04/16/1985
Assignee
1
NL INDUSTRIES, INC 1230 AVENUE OF THE AMERICAS, NEW YORK, NY A NJ CORP.
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4669556
NONE
06693848
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE.,1800
HOUSTON, TX 77057
Assignment: 13
Reel/Frame:004492/0130   Pages: 1
Recorded: 08/23/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SHORT, LOT W. JR.,
Exec Dt:
08/06/1985
2
BARR, JOHN D.
Exec Dt:
08/06/1985
Assignee
1
NL INDUSTRIES, INC., 1230 AVENUE OF THE AMERICAS, NEW YORK NY A CORP OF NEW JERSEY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4660659
NONE
06763031
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 14
Reel/Frame:004557/0319   Pages: 1
Recorded: 03/31/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
01/15/1986
Assignee
1
NL PETROLEUM PRODUCTS LIMITED
STROUD INDUSTRIAL ESTATE, OLDENDS LANE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4694919
NONE
06821303
Correspondence name and address
WILLIAM E. JOHNSON, JR.
NL INDUSTRIES, INC.
OFFICE OF GENERAL COUNSEL
P.O. BOX 60087
HOUSTON, TX 77205
Assignment: 15
Reel/Frame:004567/0492   Pages: 1
Recorded: 06/20/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
06/18/1986
2
MATTHIAS, TERRY R.
Exec Dt:
06/18/1986
Assignee
1
NL INDUSTRIES, INC.
1230 AVENUE OF THE AMERICAS
A CORP. OF NEW JERSEY
NEW YORK, NEW YORK
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4727946
NONE
06876847
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 16
Reel/Frame:004632/0866   Pages: 1
Recorded: 11/20/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
10/03/1986
2
FULLER, JOHN M.
Exec Dt:
10/03/1986
3
TAYLOR, MALCOLM R.
Exec Dt:
10/03/1986
Assignee
1
PETROLEUM PRODUCTS LIMITED
OLDENDS LANE, INDUSTRIAL ESTATE, STONEHOUSE
A BRITISH COMPANY
GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4733735
NONE
06913101
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 17
Reel/Frame:004791/0494   Pages: 1
Recorded: 11/18/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
10/30/1987
Assignee
1
NL PETROLEUM PRODUCTS, LTD., STONEHOUSE, ENGLAND
UNITED KINGDOM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4780274
NONE
06922863
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 18
Reel/Frame:004995/0377   Pages: 1
Recorded: 11/02/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
10/10/1988
Assignee
1
REED TOOL COMPANY LIMITED, MONKSTOWN, NEWTOWNABBEY, COUNTY ANTRIM, NORTHERN IRELAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4878403
NONE
07266096
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI AND ANDERSON
5718 WESTHEIMER, SUITE 1800
HOUSTON, TX 77057
Assignment: 19
Reel/Frame:004965/0608   Pages: 1
Recorded: 10/21/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
10/28/1988
2
WARDLEY, MICHAEL T.
Exec Dt:
10/06/1988
Assignee
1
REED TOOL COMPANY LIMITED
FARBURN INDUSTRIAL ESTATE, DYCE
A NORTHERN IRELAND CORP.
ABERDEEN AB2 OHC, SCOTLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4942933
NONE
07250930
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE 1800
HOUSTON, TX 77057
Assignment: 20
Reel/Frame:005009/0503   Pages: 1
Recorded: 12/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
TAYLOR, MALCOLM R.
Exec Dt:
11/10/1988
2
BARR, JOHN D.
Exec Dt:
11/10/1988
3
SMART, JOHN R.
Exec Dt:
11/10/1988
Assignee
1
REED TOOL COMPANY LIMITED
HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE, STONEHOUSE
GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4873895
NONE
07265237
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER
STE. 1800
HOUSTON, TX 77057
Assignment: 21
Reel/Frame:004980/0513   Pages: 1
Recorded: 12/12/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
11/13/1988
Assignee
1
REED TOOL COMPANY LIMITED
HYCALOG, OLDENDS LANE
INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4898252
NONE
07269780
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 22
Reel/Frame:005106/0943   Pages: 1
Recorded: 06/09/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
04/17/1989
2
NEWTON, THOMAS A. JR.
Exec Dt:
04/17/1989
Assignee
1
REED TOOL COMPANY
LIMITED, HYCALOG OLDENDS LANE INDUSTRIAL ESTATE, STONEHOUSE
GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5025874
NONE
07333120
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 23
Reel/Frame:005115/0749   Pages: 1
Recorded: 06/09/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
04/17/1989
2
NEWTON, THOMAS A. JR.
Exec Dt:
04/17/1989
Assignee
1
REED TOOL COMPANY LIMITED
HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE
GLOUCESTERSHIRE,, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4995887
NONE
07333297
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 24
Reel/Frame:005273/0582   Pages: 1
Recorded: 03/29/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
03/16/1990
Assignee
1
REED TOOL COMPANY LIMITED OF HYCALOG,
OLDENDS LANE INDUSTRIAL ESTATE, STONEHOUSE,
GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5101691
NONE
07480607
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ANDERSON & BROOKHART
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 25
Reel/Frame:005592/0742   Pages: 2
Recorded: 01/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
01/17/1991
Assignee
1
REED TOOL COMPANY LIMITED, HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE STONEHOUSE, GLOUCESTERSHIRE GL1 3RQ ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5099934
NONE
07616637
Correspondence name and address
MARGARET E. ANDERSON
BROWING, BUSHMAN, ANDERSON & BROOKHART
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 26
Reel/Frame:005592/0744   Pages: 2
Recorded: 01/22/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
BARR, JOHN D.
Exec Dt:
01/17/1991
Assignee
1
REED TOOL COMPANY LIMITED, HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE STONEHOUSE, GLOUCESTERSHIRE GL1 3RQ ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5165494
NONE
07616582
Correspondence name and address
MARGARET E. ANDERSON
BROWNING, BUSHMAN, ANDERSON & BROOKHART
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057
Assignment: 27
Reel/Frame:006178/0609   Pages: 3
Recorded: 06/22/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
RUSSELL, MICHAEL K.
Exec Dt:
06/16/1992
2
BARR, JOHN D.
Exec Dt:
06/16/1992
Assignee
1
CAMCO DRILLING GROUP LIMITED
HYCALOG, OLDENDS LANE INDUSTRIAL ESTATE
STONEHOUSE GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5265682
NONE
07901748
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
7030 ARDMORE
HOUSTON, TX 77054
Assignment: 28
Reel/Frame:007893/0562   Pages: 2
Recorded: 04/15/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARR, JOHN D.
Exec Dt:
02/15/1996
2
MOTION, WILLIAM C.
Exec Dt:
02/15/1996
3
RUSSELL, MICHAEL K.
Exec Dt:
02/15/1996
Assignee
1
CAMCO DRILLING GROUP, LTD.
HYCALOG LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5695015
NONE
08604316
Correspondence name and address
CAMCO INTERNATIONAL, INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TEXAS 77221
Assignment: 29
Reel/Frame:007897/0071   Pages: 2
Recorded: 04/18/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARR, JOHN D.
Exec Dt:
02/15/1996
2
CLEGG, JOHN M.
Exec Dt:
02/15/1996
3
MOTION, WILLIAM C.
Exec Dt:
02/15/1996
Assignee
1
CAMCO DRILLING GROUP LTD. OF HYCALOG
LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5685379
NONE
08604317
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 30
Reel/Frame:007897/0686   Pages: 2
Recorded: 04/15/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARR, JOHN D.
Exec Dt:
02/15/1996
2
CLEGG, JOHN M.
Exec Dt:
02/15/1996
3
MOTION, WILLIAM C.
Exec Dt:
02/15/1996
Assignee
1
CAMCO DRILLING GROUP INC. OF HYDALOG
STONEHOUSE
LANE INDUSTRIAL ESTATE
GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5803185
NONE
08604318
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 31
Reel/Frame:007990/0132   Pages: 3
Recorded: 06/06/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
BARR, JOHN D.
Exec Dt:
02/15/1996
Assignee
1
CAMCO DRILLING GROUP LTD. OF HYDALOG
LANE INDUSTRIAL ESTATE
STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5706905
NONE
08604324
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TEXAS 77221
Assignment: 32
Reel/Frame:009240/0856   Pages: 2
Recorded: 06/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BARR, JOHN D.
Exec Dt:
05/07/1998
2
CLEGG, JOHN M.
Exec Dt:
05/07/1998
3
MOTION, WILLIAM C.
Exec Dt:
05/07/1998
Assignee
1
CAMCO INTERNATIONAL (UK) LIMITED
MONKSTOWN, NEWTOWNABBEY COUNTY ANTRIM, BELFAST
BT370UH NORTHERN IRELAND, UNITED KINGDOM
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6089332
NONE
09004592
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 33
Reel/Frame:012257/0523   Pages: 6
Recorded: 10/12/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ABGRALL, JEAN-PAUL
Exec Dt:
10/04/2001
2
BALDWIN, ROBERT W.
Exec Dt:
09/20/2001
3
BARR, JOHN D.
Exec Dt:
09/19/2001
4
CASILLAS, JOSE A.
Exec Dt:
09/25/2001
5
JABLON, DAVID P.
Exec Dt:
09/20/2001
6
MARKEY, TIMOTHY J.
Exec Dt:
09/19/2001
7
KOTLA, PANNAGA
Exec Dt:
09/19/2001
8
WANG, KAI
Exec Dt:
09/19/2001
9
WILLIAMS, STEPHEN D.
Exec Dt:
09/19/2001
Assignee
1
PHOENIX TECHNOLOGIES LTD.
411 EAST PLUMERIA DRIVE
SAN JOSE, CALIFORNIA 95134
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030037237
09829074
Correspondence name and address
PHOENIX TECHNOLOGIES LTD.
CLAUDIA CAMERON
411 EAST PLUMERIA DRIVE
SAN JOSE, CA 95134
Assignment: 34
Reel/Frame:018436/0234   Pages: 4
Recorded: 10/16/2006
Attorney Dkt #:1046_008CON
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STARR, MATTHEW T.
Exec Dt:
10/12/2006
2
RECTOR, RICHARD D.
Exec Dt:
10/13/2006
3
LANTRY, MARK L.
Exec Dt:
10/12/2006
4
BARR, JOHN D.
Exec Dt:
10/12/2006
Assignee
1
SPECTRA LOGIC CORPORATION
1700 NORTH 55TH STREET
BOULDER, COLORADO 80301
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7414807
US20070035869
11582568
Correspondence name and address
DENIS J. SULLIVAN
WALL MARJAMA & BILINSKI LLP
101 SOUTH SALINA STREET
SUITE 400
SYRACUSE, NY 13202
Assignment: 35
Reel/Frame:004454/0416   Pages: 1
Recorded: 09/06/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BARR, JOHN D.
Exec Dt:
00/00/0000
2
TAYLOR, MALCOLM R.
Exec Dt:
00/00/0000
Assignee
1
NL PETROLEUM PRODUCTS LIMITED, STROUD INDUSTRIAL ESTATE, OLDENDS LANE, STONEHOUSE, GLOUCESTERSHIRE, ENGLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4697654
NONE
06754570
Correspondence name and address
MARGARET E. ANDESON
BROWNING, BUSHMMAN, ZAMECKI & ANDERSON
5718 WESTHEIMER, STE. 1800
HOUSTON, TX 77057

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