Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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06/14/2016
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Application #:
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14019495
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Filing Dt:
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09/05/2013
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Publication #:
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Pub Dt:
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07/03/2014
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Inventors:
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Qiang FENG, Fei LI, Jun LI, Yao WANG, Hongjun LI, Wei DANG, Zhiyong HE
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Title:
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MULTI-LEVEL SLIDING SLEEVE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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TECHNOLOGY DEVELOPMENT DEPARTMENT, BOHAI DRILLING ENGINEERING CO., LTD., HUANGHAI ROAD 106, BINHAI NEW AREA |
TIANJIN, CHINA 300457 |
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MATTHIAS SCHOLL |
14781 MEMORIAL DRIVE |
SUITE 1319 |
HOUSTON, TX 77079 |
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