Patent Assignment Details
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| Reel/Frame: | 041287/0171 | |
| Pages: | 4 |
| | Recorded: | 02/17/2017 | | |
| Attorney Dkt #: | 35742/04032 |
| 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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04/04/2017
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Application #:
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15293006
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Filing Dt:
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10/13/2016
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Title:
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EXPERIMENTAL APPARATUS FOR STUDYING GAS INVASION AND MIGRATION MECHANISM IN OIL AND GAS WELLBORES
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Assignee
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| NO. 66, CHANGJIANG WEST ROAD, HUANGDAO DISTRICT, QINGDAO |
| SHANDONG, CHINA |
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Correspondence name and address
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CALFEE HALTER & GRISWOLD LLP
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THE CALFEE BUILDING, 1405 EAST SIXTH STREET
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CLEVELAND, OH 44114
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