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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02/26/2019
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Application #:
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14413902
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Filing Dt:
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01/09/2015
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PCT #:
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US1253761
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Inventors:
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Guy Lefort, James R. Ashby, Shilin Chen, Robert W. Arfele
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Title:
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ROTARY DRILL BITS WITH BACK-UP CUTTING ELEMENTS TO OPTIMIZE BIT LIFE
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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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| PAULA D. HEYMAN |
| BAKER BOTTS L.L.P. |
| 98 SAN JACINTO BLVD., SUITE 1500 |
| AUSTIN, TX 78701 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3000 N. SAM HOUSTON PARKWAY E. |
| HOUSTON, TEXAS 77032 |
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| BAKER BOTTS L.L.P. PATENT DEPARTMENT |
| 98 SAN JACINTO BLVD., SUITE 1500 |
| AUSTIN, TX 78701-4039 |
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