Patent Assignment Details
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Reel/Frame: | 003823/0549 | |
| Pages: | 1 |
| | Recorded: | 10/15/1980 | | |
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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04/12/1983
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Application #:
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06197130
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Filing Dt:
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10/15/1980
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Title:
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WASTE WATER TREATMENT BY CHELATION-GELATION
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Assignee
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A CORP. OF DE |
ST. PAUL, MINNESOTA |
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Correspondence name and address
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RICHARD FRANCIS
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3M CO., OFFICE OF PATENT COUNSEL
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P. O. BOX 33427
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ST. PAUL, MN 55133
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