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: | 005437/0774 | |
| Pages: | 3 |
| | Recorded: | 08/27/1990 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
4
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Patent #:
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Issue Dt:
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02/09/1982
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Application #:
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06179487
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Filing Dt:
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08/19/1980
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Title:
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METHOD AND APPARATUS FOR WELL TREATING
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Patent #:
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Issue Dt:
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02/22/1983
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Application #:
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06303190
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Filing Dt:
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09/17/1981
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Title:
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APPARATUS FOR WELL TREATING
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Patent #:
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Issue Dt:
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06/28/1983
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Application #:
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06303191
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Filing Dt:
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09/17/1981
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Title:
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APPARATUS FOR WELL TREATING
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Patent #:
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Issue Dt:
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05/10/1983
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Application #:
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06303388
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Filing Dt:
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09/18/1981
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Title:
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APPARATUS FOR RETRIEVING FLUID PLUG
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Assignee
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P.O. BOX 1358 |
RICHARDSON ENTERPRISES |
KILGORE, TEXAS 75662 |
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Correspondence name and address
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GERALD W. SPINKS
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BAKER HUGHES INCORPORATED
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3900 ESSEX LANE, STE. 1200
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P.O. BOX 4740
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HOUSTON, TX. 77210-4740
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