Patent Assignment Details
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| Reel/Frame: | 005271/0581 | |
| Pages: | 2 |
| | Recorded: | 10/31/1989 | | |
| 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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01/29/1991
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Application #:
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07426624
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Filing Dt:
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10/24/1989
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Title:
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PROCESS FOR RECOVERING METAL VALUES SUCH AS SCANDIUM, IRON AND MANGANESE FROM AN INDUSTRIAL WASTE SLUDGE
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Correspondence name and address
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FRANCES P. CRAIG
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GTE SERVICE CORPORATION
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40 SYLVAN RD.
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WALTHAM, MA 02254
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