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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
09/01/2020
Application #:
16522398
Filing Dt:
07/25/2019
Publication #:
Pub Dt:
11/14/2019
Inventors:
Bitao Lai, Feng Liang, Leiming Li, Jilin Zhang
Title:
CONDITIONING A SUBTERRANEAN FORMATION
Assignment: 1
Reel/Frame:
049918/0989Recorded: 07/31/2019Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/01/2017
Assignee:
1 EASTERN AVENUE
DHAHRAN, SAUDI ARABIA 31311
Correspondent:
MATTHEW K. WERNLI
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022
Assignment: 2
Reel/Frame:
049918/0938Recorded: 07/31/2019Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
03/03/2017
Exec Dt:
03/03/2017
Exec Dt:
03/03/2017
Exec Dt:
03/03/2017
Assignee:
1200 SMITH STREET
TWO ALLEN BUILDING
HOUSTON, TEXAS 77002
Correspondent:
MATTHEW K. WERNLI
FISH & RICHARDSON P.C.
P.O.BOX 1022
MINNEAPOLIS, MN 55440-1022

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