Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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02/05/2008
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Application #:
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11182641
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Filing Dt:
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07/15/2005
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Publication #:
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Pub Dt:
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01/18/2007
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Inventors:
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Paul D. Ringgenberg, Jose Sierra
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Title:
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SAFETY VALVE APPARATUS FOR DOWNHOLE PRESSURE TRANSMISSION SYSTEMS
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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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HALLIBURTON ENERGY SERVICES, INC. |
2601 BELTLINE ROAD |
1-B-121 |
CARROLLTON, TX 75006 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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WEVERSBAAN 1-3 |
LEIDERDORP, NETHERLANDS |
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MARLIN R. SMITH |
660 N. CENTRAL EXPY., SUITE 230 |
PLANO, TX 75074 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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WEVERSBAAN 1-3 |
LEIDERDORP, NETHERLANDS |
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SMITH IP SERVICES, P.C. |
P.O. BOX 997 |
ROCKWALL, TX 75087 |
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