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: | 028717/0381 | |
| Pages: | 7 |
| | Recorded: | 08/03/2012 | | |
Attorney Dkt #: | 6151-GENERAL (YDC) |
Conveyance: | SECURITY AGREEMENT |
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Total properties:
3
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Patent #:
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Issue Dt:
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10/17/2000
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Application #:
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09235431
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Filing Dt:
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01/22/1999
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Title:
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IMPROVED BRIDGE PLUG FOR A WELL BORE
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Patent #:
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Issue Dt:
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10/28/2014
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Application #:
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13183014
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Filing Dt:
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07/14/2011
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Publication #:
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Pub Dt:
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01/17/2013
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Title:
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RETRIEVABLE STIMULATION FRAC (RSF) PLUG
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Patent #:
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Issue Dt:
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04/04/2017
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Application #:
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13643977
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Filing Dt:
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03/22/2013
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PCT #:
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CA1100495
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Title:
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Apparatus and Method for Fracturing a Well
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Assignee
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600, 444 - 7TH AVENUE S.W. |
CALGARY, CANADA T2P 0X8 |
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Correspondence name and address
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SHERIDAN ROSS P.C.
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1560 BROADWAY
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SUITE 1200
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DENVER, CO 80202
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