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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09/15/2009
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Application #:
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11851384
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Filing Dt:
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09/06/2007
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Publication #:
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Pub Dt:
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03/12/2009
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Inventor:
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James F. Hamilton
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Title:
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METHOD AND APPARATUS FOR DIRECTIONAL DRILLING WITH VARIABLE DRILL STRING ROTATION
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 4400, 150 - 6TH AVENUE SW |
| CALGARY, CANADA T2P 3Y7 |
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| GOODWIN MCKAY |
| 602 - 12TH AVENUE S.W., SUITE 222 |
| CALGARY, T2R 1J3 CANADA |
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Assignment:
2
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| 200 BAY STREET,12TH FL., P.O. BOX 50 |
| AGENCY SERVICES GROUP, ROYAL BANK PLAZA |
| TORONTO, ONTARIO, CANADA M5J 2W7 |
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| MARCELA ROBLEDO |
| 2550 HANOVER ST. |
| PALO ALTO, CA 94304 |
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Assignment:
3
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RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS).
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| 4200, 150-6TH AVENUE SW |
| CALGARY, AB, CANADA T2P 3Y7 CAN |
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| W. SCOTT BROWN |
| 1001 FANNIN STREET |
| SUITE 2500 |
| HOUSTON, TX 77002-6760 |
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