Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 005432/0206 | |
| Pages: | 15 |
| | Recorded: | 06/04/1990 | | |
| Conveyance: | MERGER (SEE DOCUMENT FOR DETAILS). DECEMBER 23, 1988, DE. |
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04487817
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01/13/1970
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04503047
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10/23/1965
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Title:
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APPARATUS FOR HANGING WELL BORE CASING
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04504253
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04575335
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04579728
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05190970
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05204897
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05241308
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05472303
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05636064
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05651794
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UNAVAILABLE
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Correspondence name and address
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LEE ANN ALI
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LORD, BISSELL & BROOK
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115 SOUTH LA SALLE STREET
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CHICAGO, IL. 60603
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