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: | 020555/0320 | |
| Pages: | 5 |
| | Recorded: | 02/26/2008 | | |
| Attorney Dkt #: | A-7.RCE; A-7519 ET AL. |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
3
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Patent #:
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Issue Dt:
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01/18/2005
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Application #:
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09924115
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Filing Dt:
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08/08/2001
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Publication #:
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Pub Dt:
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04/04/2002
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Title:
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FRACTURING METHOD USING AQUEOUS OR ACID BASED FLUIDS
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Patent #:
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Issue Dt:
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01/04/2005
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Application #:
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09966750
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Filing Dt:
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10/01/2001
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Publication #:
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Pub Dt:
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05/30/2002
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Title:
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FRACTURING FLUID
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Patent #:
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Issue Dt:
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07/15/2008
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Application #:
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10739114
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Filing Dt:
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12/19/2003
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Publication #:
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Pub Dt:
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08/10/2006
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Title:
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FRACTURING FLUID CONTAINING AMPHOTERIC GLYCINATE SURFACTANT
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Assignee
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| 411-8 AVENUE S.W. |
| CALGARY, ALBERTA, CANADA T2P 1E3 |
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Correspondence name and address
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STEWART L. GITLER
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HOFFMAN, WASSON & GITLER, P.C.
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2461 SOUTH CLARK STREET
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SUTIE 522
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ARLINGTON, VA 22202
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