Patent Assignment Details
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| Reel/Frame: | 052292/0406 | |
| Pages: | 3 |
| | Recorded: | 04/02/2020 | | |
| Attorney Dkt #: | 35742.04101 |
| 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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02/16/2021
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Application #:
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16808038
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Filing Dt:
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03/03/2020
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Publication #:
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Pub Dt:
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09/10/2020
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Title:
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Thermosensitive Self-plugging Bentonite and Preparation Method Thereof and Water-based Drilling Fluid
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Assignee
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| 8 XINDU AVENUE, XINDU DISTRICT |
| SICHUAN PROVINCE |
| CHENDU CITY, CHINA 610500 |
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Correspondence name and address
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YIZHOU LIU
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CALFEE, HALTER & GRISWOLD LLP
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1405 EAST SIXTH STREET
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CLEVELAND, OH 44114-1607
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