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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 : DRAKE, ERIC F.
Total Assignments: 17
Assignment: 1
Reel/Frame:003985/0755   Pages: 2
Recorded: 05/13/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
09/20/1980
Assignee
1
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06185696
Correspondence name and address
MICHAEL J. CADDELL
REED ROCK BIT CO.
P. O. BOX 2119
HOUSTON, TX 77001
Assignment: 2
Reel/Frame:003985/0765   Pages: 2
Recorded: 05/13/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
09/20/1980
Assignee
1
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06185691
Correspondence name and address
MICHAEL J. CADDELL
REED BIT CO.
P. O. BOX 2119
HOUSTON, TX 77001
Assignment: 3
Reel/Frame:003986/0576   Pages: 2
Recorded: 05/13/1982
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
09/20/1980
Assignee
1
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06185694
Correspondence name and address
MICHAEL J. CADELL
REED ROCK BIT CO.
P. O. BOX 2119
HOUSTON, TX 77001
Assignment: 4
Reel/Frame:004456/0700   Pages: 3
Recorded: 09/13/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/27/1985
Assignee
1
A CORP OF TEXAS
HOUSTON, TEXAS
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06571410
Correspondence name and address
EUGENE N. RIDDLE
VINSON & ELKINS
3300 FIRST CITY TOWER
1001 FANNIER STREET
HOUSTON,TX 77002-6760
Assignment: 5
Reel/Frame:004924/0149   Pages: 2
Recorded: 07/13/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/12/1988
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07218642
Correspondence name and address
EUGENE N. RIDDLE
DODGE, BUSH & MOSELEY
950 ECHO LANE
SUITE 180
HOUSTON, TX 77581
Assignment: 6
Reel/Frame:005158/0768   Pages: 3
Recorded: 10/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/11/1989
2
Exec Dt:
10/11/1989
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07420872
Correspondence name and address
EUGENE N. RIDDLE
DODGE BUSH & MOSELEY
950 ECHO LANE, SUITE 180
HOUSTON, TX 77024
Assignment: 7
Reel/Frame:005437/0364   Pages: 3
Recorded: 09/13/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
08/28/1990
2
Exec Dt:
08/27/1990
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07420872
Correspondence name and address
EUGENE N. RIDDLE
DODGE BUSH & MOSELEY
950 ECHO LANE, SUITE 180
HOUSTON, TX 77024
Assignment: 8
Reel/Frame:005780/0407   Pages: 3
Recorded: 07/05/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/03/1991
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07726024
Correspondence name and address
EUGENE N. RIDDLE
DODGE, BUSH, MOSELEY & RIDDLE
950 ECHO LANE, SUITE 180
HOUSTON, TX 77024
Assignment: 9
Reel/Frame:008108/0352   Pages: 4
Recorded: 07/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/17/1995
2
Exec Dt:
11/17/1995
Assignee
1
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TEXAS 77221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08559959
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
7030 ARDMORE
P.O. BOX 14484
HOUSTON, TX 77221
Assignment: 10
Reel/Frame:012520/0513   Pages: 3
Recorded: 01/23/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
11/17/1995
2
Exec Dt:
11/17/1995
Assignee
1
7030 ARDMORE
HOUSTON, TEXAS 77221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08903913
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 NORTH GESSNER
HOUSTON, TX 77040
Assignment: 11
Reel/Frame:008978/0331   Pages: 3
Recorded: 02/09/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/09/1997
2
Exec Dt:
10/09/1997
Assignee
1
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TEXAS 77221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08950286
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 12
Reel/Frame:010129/0081   Pages: 3
Recorded: 07/26/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/26/1999
2
Exec Dt:
07/26/1999
Assignee
1
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TEXAS 77221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09360751
Correspondence name and address
CAMCO DRILLING GROUP
JEFFERY E. DALY
P.O. BOX 2119
6501 NAVIGATION
HOUSTON, TX 77252
Assignment: 13
Reel/Frame:011859/0915   Pages: 4
Recorded: 06/04/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/12/2001
2
Exec Dt:
02/12/2001
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09782341
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 NORTH GESSNER
HOUSTON, TX 77040
Assignment: 14
Reel/Frame:012964/0920   Pages: 3
Recorded: 05/24/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/20/2002
2
Exec Dt:
05/20/2002
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09683030
Correspondence name and address
SCHLUMBERGER OILFIELD SERVICES
JEFFERY E. DALY
7211 NORTH GESSNER
HOUSTON, TX 77040
Assignment: 15
Reel/Frame:013031/0077   Pages: 3
Recorded: 06/25/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/07/2002
2
Exec Dt:
06/07/2002
3
Exec Dt:
06/07/2002
Assignee
1
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09827672
Correspondence name and address
SCHLUMBERGER OLLFIELD SERVICES
7211 NORTH GESSNER
HOUSTON, TEXAS 77040
Assignment: 16
Reel/Frame:016074/0260   Pages: 3
Recorded: 05/26/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/25/2005
2
Exec Dt:
05/25/2005
Assignee
1
400 NORTH SAM HOUSTON PARKWAY E #900
HOUSTON, TEXAS 77060
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10908040
Correspondence name and address
JAYNE SIPPL
400 N SAM HOUSTON PARKWAY E #900
HOUSTON, TX 77060
Assignment: 17
Reel/Frame:021738/0710   Pages: 6
Recorded: 10/27/2008
Attorney Dkt #:78.1349
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
09/29/2008
2
Exec Dt:
09/29/2008
3
Exec Dt:
09/29/2008
4
Exec Dt:
09/29/2008
Assignee
1
400 N. SAM HOUSTON PARKWAY E.
#900
HOUSTON, TEXAS 77060
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
12239915
Correspondence name and address
JAYNE SIPPL
400 N. SAM HOUSTON PARKWAY E
#900
HOUSTON, TX 77060

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