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Patent Assignment Assignor Details
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Assignor Name : MCCALVIN, DAVID E.
Total Assignments: 8
Assignment: 1
Reel/Frame:009059/0651   Pages: 3
Recorded: 03/19/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCCALVIN, DAVID E.
Exec Dt:
02/11/1998
2
MAY, DWAYNE E.
Exec Dt:
02/11/1998
Assignee
1
CAMCO INTERNATIONAL, INC.
D-A052.0
7030 ARDMORE
HOUSTON, TEXAS 77054
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5947206
NONE
08977778
Correspondence name and address
C. DALE QUISENBERRY
1360 POST OAK BLVD., SUITE 2300
HOUSTON, TX 77056
Assignment: 2
Reel/Frame:011291/0960   Pages: 4
Recorded: 10/13/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCCALVIN, DAVID E.
Exec Dt:
10/12/2000
2
DEATON, THOMAS M.
Exec Dt:
10/13/2000
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TEXAS 77583
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6513594
NONE
09687589
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
JAIME CASTANO
PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 3
Reel/Frame:014932/0912   Pages: 5
Recorded: 01/15/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BATHO, PETER F.
Exec Dt:
01/13/2004
2
MCCALVIN, DAVID E.
Exec Dt:
01/05/2004
3
SHEPLER, RANDALL A.
Exec Dt:
01/13/2004
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7114572
US20050155767
10758639
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
ATTN: PATENT COUNSEL
P.O. BOX 1590
ROSHARON, TEXAS 77583-1590
Assignment: 4
Reel/Frame:015597/0618   Pages: 5
Recorded: 01/24/2005
Attorney Dkt #:68.0451
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MCCALVIN, DAVID E.
Exec Dt:
01/24/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7866401
US20060162932
10905859
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
P.O. BOX 1590
ROSHARON, TX 77583-1590
Assignment: 5
Reel/Frame:016636/0467   Pages: 9
Recorded: 10/11/2005
Attorney Dkt #:68.0528
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MESCALL, STEPHEN
Exec Dt:
10/10/2005
2
CAULFIELD, IAIN
Exec Dt:
10/07/2005
3
JOHNSTON, RUSSELL A.
Exec Dt:
10/11/2005
4
MCCALVIN, DAVID E.
Exec Dt:
10/05/2005
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7621331
US20080236827
11163230
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 6
Reel/Frame:018828/0970   Pages: 5
Recorded: 01/31/2007
Attorney Dkt #:68.0670
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
MCCALVIN, DAVID E.
Exec Dt:
01/04/2007
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080135235
11635307
Correspondence name and address
SCHLUMBERGER TECHNOLOGY CORPORATION
14910 AIRLINE ROAD
ROSHARON, TX 55583
Assignment: 7
Reel/Frame:022799/0582   Pages: 7
Recorded: 06/09/2009
Attorney Dkt #:69.5742
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MCCALVIN, DAVID E.
Exec Dt:
06/01/2009
2
MANGAL, LARS
Exec Dt:
05/28/2009
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100300696
12472947
Correspondence name and address
SCHLUMBERGER RESERVOIR COMPLETIONS
14910 AIRLINE ROAD
ROSHARON, TX 77583
Assignment: 8
Reel/Frame:024133/0093   Pages: 7
Recorded: 03/24/2010
Attorney Dkt #:68.0938
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PINARD, GEOFFREY
Exec Dt:
03/17/2010
2
MCCALVIN, DAVID E.
Exec Dt:
03/22/2010
Assignee
1
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110155396
12649313
Correspondence name and address
AUTREY BROWN
14910 AIRLINE ROAD
BLDG. 14
ROSHARON, TX 77583

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