Patent Assignment Details
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| Reel/Frame: | 005296/0336 | |
| Pages: | 2 |
| | Recorded: | 08/22/1989 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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11/06/1990
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Application #:
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07376573
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Filing Dt:
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07/07/1989
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Title:
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THREAD COUPLING FOR DRILL STRING MEMBERS
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Assignee
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| A CORP. OF SWEDEN |
| S-811 81 SANDVIKEN, SWEDEN |
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Correspondence name and address
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BURNS, DOANE, SWECKER & MATHIS
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GEORGE MASON BLDG.
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WASHINGTON & PRINCE STREETS
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P.O. BOX 1404
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ALEXANDRIA, VA 22313-1404
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