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Reel/Frame:053185/0310   Pages: 14
Recorded: 07/10/2020
Attorney Dkt #:140846-072204US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
04/26/2022
Application #:
16961494
Filing Dt:
07/10/2020
Publication #:
Pub Dt:
10/29/2020
Title:
DOWNHOLE CHECK VALVE ASSEMBLY WITH A FRUSTOCONICAL MANDREL
Assignors
1
Exec Dt:
03/03/2018
2
Exec Dt:
02/28/2018
3
Exec Dt:
03/01/2018
4
Exec Dt:
02/28/2018
Assignee
1
3000 N. SAM HOUSTON PARKWAY E.
HOUSTON, TEXAS 77032-3219
Correspondence name and address
CHAMBERLAIN HRDLICKA HALLIBURTON ENERGY
1200 SMITH ST., 14TH FLOOR
HOUSTON, TX 77002

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