Patent Assignment Details
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| Reel/Frame: | 055554/0380 | |
| Pages: | 8 |
| | Recorded: | 03/10/2021 | | |
| Attorney Dkt #: | 60090US-669407 |
| 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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09/20/2022
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Application #:
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16953186
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Filing Dt:
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11/19/2020
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Publication #:
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Pub Dt:
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08/12/2021
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Title:
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REVERSE CEMENTING VALVE SYSTEM AND METHOD EMPLOYING A DOUBLE FLAPPER VALVE WITH SLIDING SLEEVE AND DRILLABLE NOSE
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Assignee
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| 3000 N. SAM HOUSTON PARKWAY E. |
| HOUSTON, TEXAS 77032 |
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Correspondence name and address
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POLSINELLI PC
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1000 LOUISIANA ST.
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SUITE 64
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HOUSTON, TX 77002
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