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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03/26/2013
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Application #:
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12757958
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Filing Dt:
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04/09/2010
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Publication #:
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Pub Dt:
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08/05/2010
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Inventors:
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Thomas Gallifet, David Michel Harrington
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Title:
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ROCK BIT HAVING A SEAL GLAND WITH A CONICAL SEALING SURFACE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 1625 W. CROSBY |
| SUITE124 |
| CARROLLTON, TEXAS 75006 |
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| VAREL INTERNATIONAL IND., L.P. |
| 4140 WORLD HOUSTON PARKWAY |
| SUITE 160 |
| HOUSTON, TX 77032 |
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Assignment:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| 30 GRESHAM STREET |
| LONDON, UNITED KINGDOM EC2V 7QP |
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| DLA PIPER LLP (US) |
| 401 B STREET, SUITE 1700 |
| SAN DIEGO, CA 92101 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 1625 WEST CROSBY, SUITE 124 |
| CARROLLTON, TEXAS 75006 |
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| KENYON RIPPLE |
| 4730 CONSULATE PLAZA DRIVE, SUITE 190 |
| HOUSTON, TX 77032 |
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