Patent Assignment Details
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| Reel/Frame: | 041603/0324 | |
| Pages: | 4 |
| | Recorded: | 03/17/2017 | | |
| Attorney Dkt #: | 35742/04037 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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07/11/2017
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Application #:
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15400547
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Filing Dt:
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01/06/2017
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Title:
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NANOMETER FILM STRUCTURED RESERVOIR PROTECTING AGENT, DRILLING FLUID CONTAINING THE SAME AND USE THEREOF IN LOW-PERMEABILITY RESERVOIRS
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Assignee
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| NO. 66, CHANGJIANG WEST ROAD, HUANGDO DISTRICT |
| QINGDAO, SHANDONG, CHINA 266580 |
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Correspondence name and address
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CHRISTOPHER JACKSON
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CALFEE, HALTER & GRISWOLD LLP
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1405 EAST SIXTH STREET
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CLEVELAND, OH 44114
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06/03/2024 05:15 AM
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