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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02/19/2019
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Application #:
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15037506
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Filing Dt:
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05/18/2016
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Publication #:
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Pub Dt:
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10/13/2016
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Inventors:
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TAKEO TAKAHASHI, MASAYUKI OKURA
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Title:
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DIAMETER-EXPANDABLE ANNULAR DEGRADABLE SEAL MEMBER FOR DOWNHOLE TOOL, PLUG FOR WELL DRILLING, AND METHOD FOR WELL DRILLING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3-3-2, NIHONBASHI-HAMACHO, CHUO-KU |
| TOKYO, JAPAN 103-8552 |
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| THOMAS F. QUINN, JR. |
| 3061 COMMERCE DRIVE |
| SUITE 1 |
| FORT GRATIOT, MI 48059 |
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