Patent Assignment Details
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| Reel/Frame: | 009367/0433 | |
| Pages: | 5 |
| | Recorded: | 02/18/1997 | | |
| Conveyance: | MERGER (SEE DOCUMENT FOR DETAILS). |
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Total properties:
7
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Patent #:
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Issue Dt:
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06/26/1990
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Application #:
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07328890
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Filing Dt:
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03/27/1989
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Title:
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EARTH DRILLING APPARATUS WITH CONTROL VALVE
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Patent #:
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Issue Dt:
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08/06/1991
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Application #:
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07544910
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Filing Dt:
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06/28/1990
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Title:
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UNDERREAMER WITH SEQUENTIALLY EXPANDABLE CUTTER BLADES
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Patent #:
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Issue Dt:
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10/29/1991
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Application #:
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07586599
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Filing Dt:
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09/20/1990
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Title:
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THREE-BLADE UNDERREAMER
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Patent #:
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Issue Dt:
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02/25/1992
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Application #:
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07633687
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Filing Dt:
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12/26/1990
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Title:
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UNDERREAMER WITH SIMULTANEOUSLY EXPANDABLE CUTTER BLADES AND METHOD
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Patent #:
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Issue Dt:
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06/14/1994
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Application #:
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07925100
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Filing Dt:
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08/06/1992
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Title:
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STEERING SUB FOR FLEXIBLE DRILLING
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Patent #:
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Issue Dt:
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03/14/1995
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Application #:
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07953313
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Filing Dt:
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09/29/1992
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Title:
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STORAGE CRATE FOR HANGING FILE FOLDERS
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Patent #:
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Issue Dt:
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11/29/1994
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Application #:
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08145579
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Filing Dt:
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11/04/1993
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Title:
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APPARATUS FOR ARCUATE DRILLING
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Assignee
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| A DELAWARE CORPORATION |
| 1400 BROADFIELD, STE. 270 |
| HOUSTON, TEXAS 77084 |
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Correspondence name and address
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PHOENIX DRILLING SERVICES, INC.
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GERALD HAGE
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1400 BROADFIELD, SUITE 270
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HOUSTON, TEXAS 77084
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