Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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12/25/2018
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Application #:
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14440705
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Filing Dt:
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05/05/2015
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Publication #:
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Pub Dt:
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10/15/2015
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PCT #:
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US1272104
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Inventors:
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Derrick W. Lewis, James R. Lovorn, Jon T. Gosney
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Title:
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Mitigating Swab and Surge Piston Effects Across a Drilling Motor
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 10200 BELLAIRE BOULEVARD |
| HOUSTON, TEXAS 77072 |
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| SMITH IP SERVICES, P.C. |
| PO BOX 997 |
| ROCKWALL, TX 75087 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 10200 BELLAIRE BOULEVARD |
| HOUSTON, TEXAS 77072 |
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| CHAMBERLAIN, HRDLICKA |
| 1200 SMITH STREET, 14TH FLOOR |
| HOUSTON, TX 77002 |
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