Patent Assignment Details
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Reel/Frame: | 005892/0464 | |
| Pages: | 4 |
| | Recorded: | 11/04/1991 | | |
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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09/08/1992
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Application #:
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07770198
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Filing Dt:
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10/02/1991
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Title:
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MUD PUMP NOISE CANCELLATION SYSTEM AND METHOD
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Assignee
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200 MACCO BLVD., |
SUGAR LAND, TEXAS 77478 |
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Correspondence name and address
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ANADRILL INC.
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ATTN: JOHN J. RYBERG
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200 MACCO BLVD.
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SUGAR LAND, TX 77478
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