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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01/06/2009
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Application #:
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11930483
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Filing Dt:
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10/31/2007
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Publication #:
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Pub Dt:
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02/28/2008
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Inventors:
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James W. Burrows, Guenter W. Brune, John E. Mercer
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Title:
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BORING TOOL TRACKING FUNDAMENTALLY BASED ON DRILL STRING LENGTH, PITCH AND ROLL
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 425 SW 41ST STREET |
| RENTON, WASHINGTON 98005 |
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| JAY R BEYER |
| 993 GAPTER ROAD |
| BOULDER, CO 80303 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 425 SW 41ST STREET |
| RENTON, WASHINGTON 98055 |
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| JAY R BEYER |
| 993 GAPTER ROAD |
| BOULDER, CO 80303 |
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