Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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NONE
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Issue Dt:
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Application #:
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11784026
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Filing Dt:
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04/05/2007
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Publication #:
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Pub Dt:
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10/09/2008
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Inventors:
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Anton F. Zahradnik, Eric Sullivan, Aaron J. Dick, Donq Nguyen, Terry J. Koltermann et al
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Title:
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System, method, and apparatus for contoured thrust surfaces between thrust washer and head for roller cone drill bit
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2929 ALLEN PARKWAY |
| SUITE 2100 |
| HOUSTON, TEXAS 77019-2118 |
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| MICHAEL E. NOE, JR. |
| PO BOX 61389 |
| HOUSTON, TX 77208-1389 |
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