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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07/03/2001
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Application #:
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09131592
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Filing Dt:
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08/10/1998
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Inventor:
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DAVID R. HALL
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Title:
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PERCUSSIVE SHEARING DRILL BIT
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Assignment:
1
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CONFIRMATORY LICENSE (SEE DOCUMENT FOR DETAILS).
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| 1000 INDEPENDENCE AVE., S.W |
| WASHINGTON, DISTRICT OF COLUMBIA 20585 |
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| MARK P. DVORSCAK |
| U. S. DEPT. OF ENERGY, IPLD |
| 9800 S. CASS AVE |
| ARGONNE, IL 60439 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 2185 S. LARSEN PKWY. |
| PROVO, UTAH 84606 |
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| D. BRIT NELSON |
| LOCKE LORD BISSELL & LIDDELL LLP |
| 600 TRAVIS STREET, SUITE 3400 |
| HOUSTON, TX 77002-3095 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 5599 SAN FELIPE |
| SUITE 1600 |
| HOUSTON, TEXAS 77056 |
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| JAMES W. REPASS |
| 1301 MCKINNEY STREET |
| FULBRIGHT & JAWORSKI L.L.P. |
| HOUSTON, TX 77010 |
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