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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01/22/2013
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Application #:
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12690098
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Filing Dt:
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01/19/2010
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Publication #:
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Pub Dt:
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07/21/2011
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Inventors:
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Jerry L. Walker, John H. Hales
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Title:
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WELLBORE PERFORATION TOOL
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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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| COLLIN A. ROSE |
| 1200 SMITH ST., 14TH FLOOR |
| CHAMBERLAIN HRDLICKA |
| HOUSTON, TX 77002 |
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