Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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12/02/2003
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Application #:
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09029509
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Filing Dt:
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02/27/1998
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Publication #:
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Pub Dt:
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02/28/2002
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Inventors:
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ROBERT PATRICK APPLETON, GHOLAM HOSSEIN RASTEGAR
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Title:
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FRICTION-REDUCING DRILL PIPE COMPONENT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| DRILLTECH HOUSE, SOUTH MIDDLETON BASE, EAST TULLOS |
| GREENWALD ROAD, |
| ABERDEEN, AB12 3AX, SCOTLAND |
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| GIFFORD, KRASS, GROH, SPRINKLE, ET AL. |
| JUDITH M. RILEY |
| 280 NORTH WOODWARD, SUITE 400 |
| BIRMINGHAM, MI 48009 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| DRILLTECH HOUSE, 5024 LOYANG OFFSHORE SUPPLY BASE |
| LOYANG CRESCENT, SOPS AVE., SINGAPORE 50898 |
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| GIFFORD, KRASS, GROH, SPRINKLE, ET AL. |
| JUDITH M. RILEY |
| 280 NORTH OLD WOODWARD AVENUE, SUITE 400 |
| BIRMINGHAM, MI 48009-5394 |
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