Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 005924/0834 | |
| Pages: | 4 |
| | Recorded: | 11/25/1991 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
2
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Patent #:
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Issue Dt:
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07/11/1989
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Application #:
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07152933
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Filing Dt:
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02/05/1988
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Title:
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RECOVERY OF HEAVY CRUDE OIL OR TAR SAND OIL OR BITUMEN FROM UNDERGROUND FORMATIONS
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Patent #:
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Issue Dt:
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09/08/1992
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Application #:
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07657434
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Filing Dt:
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02/19/1991
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Title:
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RECOVERY OF HEAVY CRUDE OIL OR TAR SAND OIL OR BITUMEN FROM UNDERGROUND FORMATIONS
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Assignee
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| 500 HIGHFIELD PLACE, 10010 - 106 STREET, EDMONTON, ABLERTA, CANADA TJ5 3L8 |
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Correspondence name and address
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THOMAS F. MORAN
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COOPER & DUNHAM
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30 ROCKEFELLER PLAZA
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NEW YORK, NY 10112
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