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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04/21/2009
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Application #:
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10906200
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Filing Dt:
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02/08/2005
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Publication #:
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Pub Dt:
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02/02/2006
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Inventors:
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John Hughes, Tommy M. Warren
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Title:
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RETRIEVABLE CENTER BIT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 6204 - 6A STREET SE |
| CALGARY, CANADA T2H 2B7 |
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| BENNETT JONES |
| C/O MS ROSEANN CALDWELL |
| 4500 BANKERS HALL EAST |
| 855 - 2ND STREET, SW |
| CALGARY, AB CANADA T2P 4K7 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 300 SCHLUMBERGER DRIVE |
| SUGAR LAND, TEXAS 77478 |
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| JEFFREY S. BERGMAN |
| 909 FANNIN |
| SUITE 3500 |
| HOUSTON, TX 77010 |
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