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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
07/21/2015
Application #:
13370644
Filing Dt:
02/10/2012
Publication #:
Pub Dt:
08/15/2013
Inventors:
David R. Hall, Jonathan Marshall
Title:
Downhole Tool Piston Assembly
Assignment: 1
Reel/Frame:
027685/0686Recorded: 02/10/2012Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/02/2012
Assignee:
2185 SOUTH LARSEN PARKWAY
PROVO, UTAH 84606
Correspondent:
PHILIP W. TOWNSEND, III
2185 S. LARSEN PARKWAY
PROVO, UT 84606
Assignment: 2
Reel/Frame:
036109/0109Recorded: 07/15/2015Pages: 19
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
07/15/2015
Assignee:
2185 TRACY HALL PARKWAY
PROVO, UTAH 84606
Correspondent:
PHILIP W. TOWNSEND, III
2185 TRACY HALL PARKWAY
PROVO, UT 84606
Assignment: 3
Reel/Frame:
038629/0646Recorded: 05/18/2016Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
05/05/2016
Assignee:
300 SCHLUMBERGER DRIVE
SUGAR LAND, TEXAS 77478
Correspondent:
KRISTINE DUMAS-SCARBER
10001 RICHMOND AVENUE
ROOM 4720
HOUSTON, TX 77042

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