Patent Assignment Details
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| Reel/Frame: | 049885/0832 | |
| Pages: | 6 |
| | Recorded: | 07/29/2019 | | |
| Attorney Dkt #: | G8279-00004 |
| 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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01/14/2020
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Application #:
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16523228
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Filing Dt:
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07/26/2019
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Title:
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STRONG PLUGGING DRILLING FLUID COMPOSITION AND PREPARATION METHOD THEREOF, AND USE THEREOF
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Assignee
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| 8 XINDU AVENUE, XINDU DISTRICT |
| CHENGDU CITY, SICHUAN PROVINCE, CHINA 610500 |
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Correspondence name and address
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DUANE MORRIS LLP
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30 SOUTH 17TH STREET
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ATTN: IP DOCKETING & JIAZHONG LUO
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PHILADELPHIA, PA 19103-4196
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05/07/2024 01:47 AM
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