Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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08/08/1989
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Application #:
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07115866
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Filing Dt:
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11/02/1987
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Inventor:
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DOUGLAS C. CAMPBELL
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Title:
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PIPELINE PACKER
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| PARKHURST & OLIFF |
| P.O. BOX 19928 |
| ALEXANDRIA, VA 22320 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 2750. 801 - 6TH AVENUE S.W. |
| CALGARY, ALBERTA, CANADA T2P 4L8 |
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| STEVENS, DAVIS, MILLER AND MOSHER |
| P. O. BOX 1427 |
| ALEXANDRIA, VA 22313 |
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