Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 013456/0777 | |
| Pages: | 7 |
| | Recorded: | 11/06/2002 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
4
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Patent #:
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Issue Dt:
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11/05/1996
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Application #:
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08580171
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Filing Dt:
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12/28/1995
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Title:
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HYDROCARBON GELS USEFUL IN FORMATION FRACTURING
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Patent #:
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Issue Dt:
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03/04/1997
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Application #:
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08610739
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Filing Dt:
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03/04/1996
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Title:
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METHOD OF TREATING SHALE AND CLAY IN HYDROCARBON FORMATION DRILLING
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Patent #:
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Issue Dt:
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01/07/2003
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Application #:
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09812422
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Filing Dt:
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03/20/2001
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Publication #:
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Pub Dt:
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01/24/2002
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Title:
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TREATING SHALE AND CLAY IN HYDROCARBON PRODUCING FORMATIONS
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Patent #:
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Issue Dt:
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10/19/2004
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Application #:
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10223258
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Filing Dt:
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08/19/2002
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Publication #:
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Pub Dt:
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02/20/2003
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Title:
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TOPICAL DEFOAMER AND DEMULSIFIER
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Assignee
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| 515 POST OAK BLVD. |
| SUITE 600 |
| HOUSTON, TEXAS 77027 |
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Correspondence name and address
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WILLIAM L. KRAYER
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1771 HELEN DRIVE
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WILLIAM L. KRAYER
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PITTSBURGH, PA 15216
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