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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
05/14/2019
Application #:
14406502
Filing Dt:
12/08/2014
PCT #:
US1241938
Inventors:
Chung Chang, Haoshi Song, Wei Zhang
Title:
WIDE BANDWIDTH BOREHOLE DIPOLE SOURCE FOR ACOUSTIC LOGGING
Assignment: 1
Reel/Frame:
028356/0145Recorded: 06/11/2012Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/06/2012
Exec Dt:
06/07/2012
Exec Dt:
06/06/2012
Assignee:
10200 BELLAIRE BLVD.
HOUSTON, TEXAS 77072
Correspondent:
HAYNES AND BOONE, LLP
2323 VICTORY AVENUE, SUITE 700
IP SECTION
DALLAS, TX 75219
Assignment: 2
Reel/Frame:
037874/0439Recorded: 03/02/2016Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
06/06/2012
Exec Dt:
06/07/2012
Exec Dt:
06/06/2012
Assignee:
10200 BELLAIRE BLVD.
HOUSTON, TEXAS 77072
Correspondent:
HAYNES AND BOONE, LLP
2323 VICTORY AVENUE, SUITE 700
IP SECTION
DALLAS, TX 75219

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