Patent Assignment Details
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Reel/Frame: | 006680/0792 | |
| Pages: | 19 |
| | Recorded: | 07/15/1993 | | |
Conveyance: | CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). |
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Total properties:
2
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Patent #:
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Issue Dt:
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08/24/1982
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Application #:
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06133363
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Filing Dt:
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03/21/1980
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Title:
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APPARATUS AND METHOD FOR THE MECHANICAL SEQUENTIAL RELEASE OF CEMENTING PLUGS
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Patent #:
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Issue Dt:
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Application #:
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UNAVAILABLE
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Filing Dt:
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Title:
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Assignee
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7400 E. SLAUSON AVE. |
LOS ANGELES, CALIFORNIA |
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Correspondence name and address
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CARL A. ROWOLD
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3900 ESSEX, #1200
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HOUSTON, TX 77027
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