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: | 032267/0036 | |
| Pages: | 9 |
| | Recorded: | 02/21/2014 | | |
| Attorney Dkt #: | 71904-1 |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
6
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Patent #:
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Issue Dt:
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08/02/2011
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Application #:
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12025164
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Filing Dt:
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02/04/2008
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Publication #:
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Pub Dt:
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09/11/2008
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Title:
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DRILLING FLUID AND METHODS
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Patent #:
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Issue Dt:
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03/05/2013
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Application #:
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12529583
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Filing Dt:
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12/22/2009
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Publication #:
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Pub Dt:
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04/15/2010
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Title:
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DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
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Patent #:
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Issue Dt:
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04/22/2014
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Application #:
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13171273
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Filing Dt:
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06/28/2011
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Publication #:
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Pub Dt:
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12/15/2011
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Title:
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DRILLING FLUID AND METHODS
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Patent #:
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Issue Dt:
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12/25/2012
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Application #:
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13193170
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Filing Dt:
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07/28/2011
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Publication #:
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Pub Dt:
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11/17/2011
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Title:
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DRILLING FLUID AND METHODS
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Patent #:
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Issue Dt:
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08/11/2020
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Application #:
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13776914
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Filing Dt:
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02/26/2013
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Publication #:
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Pub Dt:
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08/29/2013
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Title:
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DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
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Patent #:
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Issue Dt:
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12/26/2017
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Application #:
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13817635
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Filing Dt:
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05/02/2013
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Publication #:
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Pub Dt:
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08/15/2013
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Title:
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DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS
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Assignee
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| 1400, 700 - 4TH AVENUE SW |
| CALGARY, CANADA T2P 2X6 |
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Correspondence name and address
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ROSEANN B. CALDWELL, BENNETT JONES LLP
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4500 BANKERS HALL EAST
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855-2ND STREET SW
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CALGARY, T2P 4K7 CANADA
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