Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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07/19/2005
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Application #:
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10321087
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Filing Dt:
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12/17/2002
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Publication #:
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Pub Dt:
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06/17/2004
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Inventors:
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Kwong-Onn C. Chan, Behrooz Movaffagh, Loren Boisvert
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Title:
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DRILL STRING SHUTOFF VALVE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3010 BRIARPARK |
| THIRD FLOOR |
| HOUSTON, TEXAS 77042 |
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| BRACEWELL & PATTERSON, LLP |
| JAMES E. BRADLEY |
| 711 LOUISIANA SUITE 2900 |
| HOUSTON, TX 77002 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3010 BRIARPARK |
| THIRD FLOOR |
| HOUSTON, TEXAS 77042 |
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| BRACEWELL & PATTERSON, LLP |
| JAMES E. BRADLEY |
| 711 LOUISIANA |
| SUITE 2900 |
| HOUSTON, TX 77002 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 3010 BRIARPARK |
| 3RD FLOOR |
| HOUSTON, TEXAS 77042 |
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| BRACEWELL & PATTERSON, L.L.P. |
| JAMES E. BRADLEY |
| P.O. BOX 61389 |
| HOUSTON, TX 77208-1389 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 8 LAKE PLACID BAY SE |
| CALGARY, CANADA T2J 5A6 |
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| IRENE T. BRIDGER, BENNETT JONES LLP |
| 4500 BANKERS HALL EAST |
| 855-2ND STREET SW |
| CALGARY, T2P 4K7 CANADA |
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