Patent Assignment Abstract of Title
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Total Assignments:
5
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Patent #:
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Issue Dt:
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10/07/2003
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Application #:
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09969444
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Filing Dt:
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10/02/2001
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Publication #:
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Pub Dt:
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07/18/2002
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Inventors:
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Coy M. Fielder, Rogerio H. Silva
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Title:
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BI-CENTER BIT ADAPTED TO DRILL CASING SHOE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 15955 W. HARDY, SUITE 300 |
| HOUSTON, TEXAS 77060 |
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| JAYNE SIPPL |
| 400 N. SAM HOUSTON PKWY E |
| #900 |
| HOUSTON, TX 77060 |
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Assignment:
2
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 400 N. SAM HOUSTON PKWY E. #900 |
| HOUSTON, TEXAS 77060 |
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| JEFFERY E. DALY |
| 400 N. SAM HOUSTON PKWY E. #900 |
| GRANT PRIDECO L.P. |
| HOUSTON, TX 77060 |
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Assignment:
3
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| 1000 LOUISIANA ST., 3RD FLOOR |
| MAIL CODE MAC T5002-031 |
| HOUSTON, TEXAS 77002 |
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| CONSTANCE GALL RHEBERGEN |
| P.O. BOX 61389 |
| HOUSTON, TX 77208-1389 |
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Assignment:
4
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RELEASE OF PATENT SECURITY AGREEMENT
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| 400 N. SAM HOUSTON PARKWAY EAST |
| SUITE 900 |
| HOUSTON, TEXAS 77060 |
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| JAN K. SIMPSON |
| FULBRIGHT & JAWORSKI L.L.P. |
| FULBRIGHT TOWER |
| 1301 MCKINNEY, SUITE 5100 |
| HOUSTON, TX 77010-3095 |
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Assignment:
5
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CORRECTIVE ASSIGNMENT TO CORRECT THE RECEIVING PARTIES NAME, PREVIOUSLY RECORDED ON REEL 018463 FRAME 0103.
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| 400 N. SAM HOUSTON PARKWAY EAST |
| SUITE 900 |
| HOUSTON, TEXAS 77060 |
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| JAN K. SIMPSON |
| FULBRIGHT & JAWORSKI L.L.P. |
| FULBRIGHT TOWER |
| 1301 MCKINNEY, SUITE 5100 |
| HOUSTON, TX 77010-3096 |
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