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Reel/Frame:056966/0633   Pages: 6
Recorded: 07/23/2021
Attorney Dkt #:35742.04126
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 1
1
Patent #:
Issue Dt:
10/05/2021
Application #:
17228424
Filing Dt:
04/12/2021
Title:
BIODIESEL-BASED CONSTANT RHEOLOGICAL PROPERTY DRILLING FLUID CONTAINING INTELLIGENT TEMPERATURE RESPONSIVE POLYMER
Assignors
1
Exec Dt:
04/14/2021
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04/14/2021
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04/14/2021
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04/14/2021
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04/14/2021
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04/14/2021
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04/14/2021
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04/14/2021
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04/14/2021
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04/14/2021
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Exec Dt:
04/14/2021
Assignee
1
NO. 18 FUXUE ROAD
CHANGPING DISTRICT
BEIJING, CHINA 102249
Correspondence name and address
YIZHOU LIU
CALFEE, HALTER & GRISWOLD LLP
1405 EAST SIXTH STREET
CLEVELAND, OH 44114-1607

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