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Patent Assignment Abstract of Title
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Total Assignments: 1
Patent #:
Issue Dt:
05/31/2016
Application #:
14878778
Filing Dt:
10/08/2015
Inventors:
Yang Xuan, Yuxiu An, Guancheng Jiang, Xi Wang
Title:
RESERVOIR PROTECTING AGENT COMPOSITION, DRILLING FLUID FOR MIDDLE PERMEABILITY RESERVOIRS AND USE THEREOF
Assignment: 1
Reel/Frame:
036844/0129Recorded: 10/21/2015Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
10/20/2015
Exec Dt:
10/20/2015
Exec Dt:
10/20/2015
Exec Dt:
10/20/2015
Assignee:
NO. 18 FUXUE ROAD
CHANGPING DISTRICT BEIJING, CHINA
Correspondent:
TODD ROBERTS TUCKER
1405 E. 6TH STREET
CLEVELAND, OH 44114

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