Patent Assignment Details
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| Reel/Frame: | 006641/0047 | |
| Pages: | 4 |
| | Recorded: | 07/20/1993 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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08/23/1994
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Application #:
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08094513
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Filing Dt:
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07/20/1993
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Title:
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SAFETY SUB FOR RETAINING DRILLING FLUIDS
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Assignee
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| 3300 NORTH SAM HOUSTON PARKWAY EAST |
| HOUSTON, TEXAS 77032 |
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Correspondence name and address
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FRANK S. VADEN III
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VADEN, EICKENROHT, ET AL
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ONE RIVERWAY, SUITE 1100
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HOUSTON, TX 77056
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