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: | 005424/0784 | |
| Pages: | 5 |
| | Recorded: | 09/04/1990 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
3
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Patent #:
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Issue Dt:
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11/13/1990
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Application #:
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07381489
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Filing Dt:
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07/18/1989
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Title:
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METHOD AND APPARATUS FOR CONTINUOUS PILOT HOLE CORING
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Patent #:
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Issue Dt:
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12/11/1990
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Application #:
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07411419
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Filing Dt:
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09/22/1989
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Title:
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DRILL BIT HAVING DIAMOND FILM CUTTING SURFACE
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Patent #:
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Issue Dt:
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12/18/1990
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Application #:
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07554081
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Filing Dt:
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07/17/1990
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Title:
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METHOD AND APPARATUS FOR ACOUSTIC MEASUREMENT OF MUD FLOW DOWNHOLE
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Assignee
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| 3900 ESSEX LANE, STE. 1200 |
| A CORP. OF DE. |
| HOUSTON, TEXAS 77027 |
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Correspondence name and address
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MICHAEL POLACEK
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PRINCE, YEATES & GELDZAHLER
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CITY CENTRE I, SUITE 900
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175 EAST FOURTH SOUTH
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SALT LAKE CITY, UT 84111
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