Patent Assignment Details
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Reel/Frame: | 005160/0690 | |
| Pages: | 1 |
| | Recorded: | 10/18/1989 | | |
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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05/28/1991
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Application #:
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07423312
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Filing Dt:
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10/18/1989
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Title:
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ION EXCHANGE METHOD FOR THE PURIFICATION OF SCANDIUM
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Correspondence name and address
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FRANCES P. CRAIG
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GTE SERVICE CORP.,
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100 FIRST AVE.,
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WALTHAM, MA 02254
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