Patent Assignment Details
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| Reel/Frame: | 051633/0300 | |
| Pages: | 9 |
| | Recorded: | 01/27/2020 | | |
| Attorney Dkt #: | RAP3-PT180 |
| 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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11/02/2021
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Application #:
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16748144
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Filing Dt:
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01/21/2020
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Publication #:
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Pub Dt:
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06/03/2021
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Title:
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NANOMETER PLUGGING WATER-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 |
| CHENGDU CITY, CHINA 610500 |
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Correspondence name and address
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DOUGLAS J. BUCKLIN, PH.D.
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30 SOUTH 17TH STREET
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18TH FLOOR
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PHILADELPHIA, PA 19103
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