Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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09/03/2002
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Application #:
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09607690
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Filing Dt:
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06/30/2000
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Inventor:
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Gary J. Collins
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Title:
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BUOYANT DRILL PIPE, DRILLING METHOD AND DRILLING SYSTEM FOR SUBTERRANEAN WELLS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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539 S. MAIN STREET |
FINDLAY, OHIO 45840 |
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MARATHON OIL COMPANY |
JACK E. EBEL |
PO BOX 269 |
LITTLETON, CO 80160 |
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