Patent Assignment Details
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Reel/Frame: | 048346/0584 | |
| Pages: | 5 |
| | Recorded: | 02/15/2019 | | |
Attorney Dkt #: | G8279-00002 |
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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05/19/2020
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Application #:
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16275997
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Filing Dt:
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02/14/2019
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Title:
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Oil Well Cement Settlement Stabilizer for High-Temperature Cementing of Oil and Gas Wells and Preparation Method Thereof, and Cement Slurry
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Assignee
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NO. 66, CHANGJIANG WEST ROAD |
HUANGDAO DISTRICT, QINGDAO |
SHANDONG, CHINA 266580 |
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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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