Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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05/09/1989
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Application #:
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07078608
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Filing Dt:
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07/28/1987
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Inventors:
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GARY D. DERDALL, WILLIAM R. ERICKSON
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Title:
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METHOD FOR PRODUING PHOSPHORIC ACID FROM PHOSPHATE ORE
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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122 FIRST AVENUE |
A CORP. OF CANADA |
SOUTH SASKATOON, SASKATCHEWAN, CANADA S7K 7G3 |
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BEVERIDGE, DEGRANDI & WEILACHER |
1819 H ST., N. W., STE. 1100 |
WASHINGTON, DC 20006 |
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