Patent Assignment Assignee Details
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Assignee Name :
DOWELL SCHLUMBERGER INCORPORATED, A CORP. OF DE
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Total Assignments:
2
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Assignment:
1
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Reel/Frame: | 004616/0598 | |
| Pages: | 2 |
| | Recorded: | 09/25/1986 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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P.O. BOX 2710 |
TULSA, OKLAHOMA 74101 |
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Pat #
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Pub #
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Intl #
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App #
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NONE
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06774979
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Correspondence name and address
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L. WAYNE WHITE
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DOWELL SCHLUMBERGER INC.,
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P. O. BOX 2710
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TULSA, OK 74101
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Assignment:
2
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Reel/Frame: | 005525/0963 | |
| Pages: | 5 |
| | Recorded: | 11/19/1990 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Assignee
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400 WEST BELT SOUTH, |
HOUSTON,, TEXAS 77001 |
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NONE
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07004385
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Correspondence name and address
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STEPHEN A. LITTLEFIELD
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PATENT COUNSEL
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P.O. BOX 2710
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TULSA, OK 74101
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