Patent Assignment Details
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| Reel/Frame: | 061109/0436 | |
| Pages: | 6 |
| | Recorded: | 09/15/2022 | | |
| Attorney Dkt #: | 35742.04151 |
| 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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02/14/2023
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Application #:
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17749822
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Filing Dt:
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05/20/2022
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Title:
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CEMENTITIOUS PLUGGING WALL SOLIDIFER FOR WATER-BASED DRILLING FLUID, AND A PREPARATION METHOD THEREOF AND A WATER-BASED DRILLING FLUID
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Assignee
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| NO. 66, WEST CHANGJIANG ROAD |
| HUANGDAO DISTRICT, QINGDAO |
| SHANDONG, CHINA 266580 |
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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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05/07/2024 06:02 PM
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