Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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02/27/2018
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Application #:
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14560891
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Filing Dt:
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12/04/2014
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Publication #:
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Pub Dt:
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03/26/2015
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Inventors:
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Donald Getzlaf, Douglas James Brunskill, John Ravensbergen, Shawn Leggett
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Title:
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FRACTURING VALVE AND FRACTURING TOOL STRING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 800, 840-7TH AVENUE SW |
| CALGARY, ALBERTA, CANADA T2P 3G2 |
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| NCS - WONG CABELLO LUTSCH RUTHERFORD & B |
| 20333 TOMBALL PARKWAY 6TH FLOOR |
| HOUSTON, TX 77070 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 800-840, 7 AVE SW |
| CALGARY, CANADA AB T2P 3G2 |
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| CHRISTOPHER D. KEIRS |
| 717 TEXAS AVE. |
| SUITE 1400 |
| HOUSTON, TX 77002 |
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Assignment:
3
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| 1000 LOUISIANA |
| 9TH FLOOR |
| HOUSTON, TEXAS 77002 |
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| CORPORATION SERVICE COMPANY |
| 1090 VERMONT AVENUE NW, SUITE 430 |
| WASHINGTON, DC 20005 |
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