Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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09/22/2015
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Application #:
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14559567
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Filing Dt:
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12/03/2014
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Publication #:
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Pub Dt:
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03/19/2015
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Inventors:
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Marty Stromquist, Lyle Laun, Donald Getzlaf, John Edward Ravensbergen, Eric Schmelzl
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Title:
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DOWNHOLE ISOLATION AND DEPRESSURIZATION TOOL
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Assignment:
1
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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:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| 1000 LOUISIANA STREET, 9TH FLOOR |
| HOUSTON, TEXAS 77002 |
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| CONSTANCE GALL RHEBERGEN |
| 711 LOUISIANA STREET, STE. 2300 |
| HOUSTON, TX 77002 |
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Assignment:
3
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RELEASE OF LIEN - PATENT AND TRADEMARK
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| 19350 STATE HWY 249 |
| SUITE 600 |
| HOUSTON, TEXAS 77070 |
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| 800-840 7TH AVENUE SW |
| CALGARY, CANADA AB T2P 3G2 |
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| WINSTON & STRAWN LLP - BECKY TROUTMAN |
| 101 CALIFORNIA STREET |
| 35TH FLOOR |
| SAN FRANCISCO, CA 94111-5840 |
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Assignment:
4
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PATENT SECURITY AGREEMENT
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| 2200 ROSS AVENUE, 9TH FLOOR, 9TH FLOOR |
| ATTENTION: KIRK WOLVERTON |
| DALLAS, TEXAS 75201 |
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| WINSTON & STRAWN LLP - BECKY TROUTMAN |
| 101 CALIFORNIA STREET |
| 35TH FLOOR |
| SAN FRANCISCO, CA 94111-5840 |
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