Patent Assignment Details
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| Reel/Frame: | 004407/0957 | |
| Pages: | 2 |
| | Recorded: | 05/03/1985 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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01/20/1987
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Application #:
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06730173
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Filing Dt:
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05/03/1985
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Title:
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USE OF A SUBMERSIBLE VISCOMETER IN THE PRIMARY SEPARATION STEP OF THE HOT WATER PROCESS FOR RECOVERY OF BITUMEN FROM TAR SAND
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Assignees
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| 2400, 639 - 5TH AVENUE SOUTH WEST |
| CALGARY, ALBERTA, CANADA T2P 0M9 |
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| 1500, 635 - 8 AVENUE SOUTH WEST |
| CALGARY, ALBERTA, CANADA T2P 3Z1 |
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| ESSO PLAZA, 237 FOURTH AVENUE SOUTH WEST |
| CALGARY, ALBERTA, CANADA T2P 0H6 |
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| 130 ADELAIDE STREET WEST |
| TORONTO, ONTARIO, CANADA M5H 3R6 |
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| 1131, 9945 - 108 STREET |
| EDMONTON, ALBERTA, CANADA T5K 2G6 |
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| C/O DOME PETROLEUM LTD. |
| BOX 200 |
| CALGARY, ALBERTA, CANADA T2P 2H8 |
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| P.O. BOX 2850 |
| CALGARY, ALBERTA, CANADA T2P 2S5 |
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| P.O. BOX 2844 |
| CALGARY, ALBERTA, CANADA T2P 3E3 |
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Correspondence name and address
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ERNEST P. JOHNSON
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508 PRINCIPAL PLAZA
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10303 JASPER AVE.,
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EDMONTON, ALBERTA, CANADA, T5J 3N6
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