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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
04/05/2016
Application #:
13140200
Filing Dt:
11/26/2011
Publication #:
Pub Dt:
03/08/2012
Inventors:
Benjamin Peter Jeffryes, Ashley Bernard Johnson
Title:
DRILLING APPARATUS
Assignment: 1
Reel/Frame:
027285/0442Recorded: 11/26/2011Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
11/15/2011
Exec Dt:
11/15/2011
Assignee:
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Correspondent:
SCHLUMBERGER TECHNOLOGY CORPORATION
10001 RICHMOND AVENUE
IP ADMINISTRATION CENTER OF EXCELLENCE
HOUSTON, TX 77042
Assignment: 2
Reel/Frame:
028911/0358Recorded: 09/06/2012Pages: 26
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
01/10/2012
Exec Dt:
01/12/2012
Exec Dt:
02/06/2012
Exec Dt:
10/12/2011
Assignee:
ONE AMGEN CENTER DR.
THOUSAND OAKS, CALIFORNIA 91320
Correspondent:
G. PRABHAKAR REDDY
ONE AMGEN CENTER DR.
PATENT OPERATIONS
THOUSAND OAKS, CA 91320

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