Patent Assignment Abstract of Title
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Total Assignments:
5
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Patent #:
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Issue Dt:
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01/24/2012
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Application #:
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12575241
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Filing Dt:
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10/07/2009
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Publication #:
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Pub Dt:
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02/11/2010
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Inventors:
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Willem P.C. Duyvesteyn, Julian Kift
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Title:
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METHODS FOR OBTAINING BITUMEN FROM BITUMINOUS MATERIALS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 440 - SECOND AVENUE S.W. |
| ERNST & YOUNG TOWER |
| CALGARY, CANADA T2P 5E9 |
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| SCOTT A. BRAIRTON |
| P.O. BOX 8749 |
| DENVER, CO 80201 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 440 SECOND AVENUE SW |
| SUITE 2400, ERNST & YOUNG TOWER |
| CALGARY, ALBERTA, CANADA T2P 5E9 |
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| HOLLAND & HART LLP |
| PO BOX 8749 |
| DENVER, CO 80201 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 440 SECOND AVENUE SW |
| SUITE 2400, ERNST & YOUNG TOWER |
| CALGARY, ALBERTA, CANADA T2P 5E9 |
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| LAW OFFICE OF JACK E. EBEL |
| 165 SOUTH UNION BOULEVARD |
| SUITE 902 |
| LAKEWOOD, CO 80228 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 400 4TH AVENUE, S.W. |
| CALGARY, ALBERTA, CANADA T2P 2H5 |
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| 500 5TH AVENUE, S.W. |
| CALGARY, ALBERTA, CANADA T2P 0L7 |
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| SHELL OIL COMPANY |
| P.O. BOX 2463 |
| ONE SHELL PLAZA |
| HOUSTON, TX 77252-2463 |
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Assignment:
5
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NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
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| 2200, 855 2 STREET SW |
| CALGARY, CANADA T2P 4J8 |
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| PARLEE MCLAWS LLP |
| 3300, 421-7 AVE SW |
| CALGARY, T2P 4K9 CANADA |
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