Patent Assignment Details
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Reel/Frame: | 063334/0801 | |
| Pages: | 4 |
| | Recorded: | 04/15/2023 | | |
Attorney Dkt #: | 18006-000055-US |
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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12/05/2023
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Application #:
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18116423
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Filing Dt:
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03/02/2023
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Title:
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Quaternary Ammonium Salt And Preparation Method And Use Thereof As Inhibitor, And Water-Based Drilling Fluid And Use Thereof
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Assignees
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NO. 1, NANHUAN ROAD |
JINGZHOU, CHINA 434000 |
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NO. 111, LIAOYUAN ROAD |
JINGZHOU, CHINA 434000 |
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Correspondence name and address
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HARNESS, DICKEY & PIERCE, P.L.C.
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5445 CORPORATE DRIVE
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SUITE 200
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TROY, MI 48098
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06/16/2024 06:25 AM
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