Patent Assignment Details
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| Reel/Frame: | 058993/0630 | |
| Pages: | 6 |
| | Recorded: | 02/11/2022 | | |
| Attorney Dkt #: | 35742.04142 |
| 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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11/01/2022
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Application #:
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17511275
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Filing Dt:
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10/26/2021
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Publication #:
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Pub Dt:
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09/15/2022
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Title:
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OIL-BASED DRILLING FLUID COMPOSITION, OIL-BASED DRILLING FLUID AND PREPARATION METHOD AND USE THEREOF
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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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