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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05/24/2005
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Application #:
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10408476
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Filing Dt:
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04/07/2003
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Publication #:
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Pub Dt:
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10/07/2004
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Inventors:
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Benjamin Tai-An Chang, Jane Qing Zhang
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Title:
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METHODS OF USING DOWNHOLE POLYMER PLUG
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 910 LOUISIANA STREET, 47TH FLOOR |
| HOUSTON, TEXAS 77002 |
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| SHOOK, HARDY & BACON LLP |
| WILLIAM P. JENSEN |
| 600 TRAVIS STREET, SUITE 1600 |
| HOUSTON, TEXAS 77002 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| P.O. BOX 576 |
| HOUSTON, TEXAS 77001-0576 |
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| SHELL USA, INC. |
| P.O. BOX 576 |
| HOUSTON, TX 77001-0576 |
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