Patent Assignment Abstract of Title
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Total Assignments:
5
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Patent #:
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Issue Dt:
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09/28/1999
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Application #:
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08723768
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Filing Dt:
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09/30/1996
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Inventors:
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JAMES E. COFFMAN, PAUL W. CRITES, PAUL B. CAMPBELL, EWALD H. KURT
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Title:
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PERCUSSION DRILL ASSEMBLY
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| BARON STEUBEN PLACE |
| CORNING, NEW YORK 14830 |
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| SIDLEY & AUSTIN |
| JAMES W. WILLIAMS |
| 4500 RENAISSANCE TOWER |
| 1201 ELM STREET |
| DALLAS, TX 75270-2197 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 12001 NORTH HOUSTON ROSSLYN |
| HOUSTON, TEXAS 77086 |
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| LATHAM & WATKINS |
| RICHARD S. MELLER |
| 233 S. WACKER DRIVE |
| SUITE 5800 |
| CHICAGO, IL 60606 |
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Assignment:
3
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 12001 NORTH HOUSTON ROSSLYN |
| HOUSTON, TEXAS 77086 |
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| BEN D. TOBOR |
| BRACEWELL & GIULIANI LLP |
| PO BOX 61389 |
| HOUSTON, TX 77208-1389 |
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Assignment:
4
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MERGER (SEE DOCUMENT FOR DETAILS).
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| 12001 NORTH HOUSTON ROSSLYN |
| HOUSTON, TEXAS 77086 |
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| BEN D. TOBOR (37205.073) |
| BRACEWELL & GIULIANI LLP |
| PO BOX 61389 |
| HOUSTON, TX 77208-1389 |
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Assignment:
5
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 6237 S. INDIANAPOLIS PLACE |
| TULSA, OKLAHOMA 74136 |
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| BARBER & BARTZ- ATTN: ROBERT BEARER |
| 525 S. MAIN |
| STE. 800 |
| TULSA, OK 74103-4511 |
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