Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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NONE
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Issue Dt:
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Application #:
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17903990
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Filing Dt:
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09/06/2022
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Publication #:
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Pub Dt:
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01/11/2024
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Inventors:
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Quan JIANG, Pengfei CHEN, Jie XIN, Herui ZHAO
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Title:
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DEVICE FOR GRINDING SIDE SURFACE OF INNER WALL OF ROCK BOREHOLE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2 XIAOHONGSHAN, SHUIGUOHU STREET |
| WUCHANG DISTRICT |
| WUHAN CITY, HUBEI PROVINCE, CHINA 430071 |
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| PORTER WRIGHT MORRIS & ARTHUR, LLP |
| 41 SOUTH HIGH STREET |
| SUITES 2900-3200 |
| COLUMBUS, OH 43215 |
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