Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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12/26/1989
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Application #:
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07187811
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Filing Dt:
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04/29/1988
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Inventors:
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JOHN FULLER, JOSEPH A. GASAN
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Title:
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ROTARY DRILL BIT FOR USE IN DRILLING HOLES IN SUBSURFACE EARTH FORMATIONS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 108-110 FINCHLEY ROOAD |
| LONDON NW3 FJJ, ENGLAND |
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| BROWNING, BUSHMAN, ZAMECKI & ANDERSON |
| ATTN: MARGARET E. ANDERSON |
| 5718 WESTHEIMER, SUITE 1800 |
| HOUSTON, TX 77057 |
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Assignment:
2
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LETTER FILED BY THE ATTORNEY OF RECORD FOR ASSIGNEE, SHOWING CHANGE OF ADDRESS EFFECTIVE: 7/17/90. SEE RECORD FOR DETAILS
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| MONKSTOWN, NEWTOWNABBEY |
| COUNTY ANTRIM, NORTHERN, IRELAND BT37 O4H |
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| BROWNING, BUSHMAN, ZAMECKI & ANDERSON |
| ATTN: MARGARET E. ANDERSON |
| 5718 WESTHEIMER, SUITE 1800 |
| HOUSTON, TX 77057 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| OLDENDS LANE INDUSTRIAL EASTE |
| STONEHOUSE, UNITED KINGDOM GLOS GL10 3RQ |
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| GRANT PRIDECO, L.P. |
| JEFFREY E. DALY |
| 400 NO. HOUSTON PKWY E. |
| SUITE 900 |
| HOUSTON, TX 77060 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| OLDENDS LANE INDUSTRIAL ESTATE |
| STONEHOUSE GLOS, UNITED KINGDOM GL10 3RQ |
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| GRANT PRIDECO, L.P. |
| JEFFREY E. DALY |
| 400 NO. SAM HOUSTON PKWY E. |
| SUITE 900 |
| HOUSTON, TX 77060 |
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