Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 008838/0121 | |
| Pages: | 5 |
| | Recorded: | 12/08/1997 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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03/30/1993
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Application #:
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07744859
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Filing Dt:
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08/14/1991
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Title:
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DRILLING WITH CASING AND RETRIEVABLE DRILL BIT
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Patent #:
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Issue Dt:
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12/21/1993
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Application #:
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07960667
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Filing Dt:
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10/14/1992
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Title:
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DRILLING WITH CASING AND RETRIEVABLE DRILL BIT
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Assignee
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6204 6A STREET S.E. |
CALGARA, ALBERTA, T2H 2B7, CANADA |
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Correspondence name and address
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TESCO CORPORATION
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KENNETH M. BABAN
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GENERAL COUNSEL
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6204 6A STREET S.E.
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CALGARY, ALBERTA T2H 2B7 CANADA
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