Patent Assignment Details
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| Reel/Frame: | 004057/0915 | |
| Pages: | 2 |
| | Recorded: | 10/28/1982 | | |
| 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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04/18/1989
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Application #:
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06374931
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Filing Dt:
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05/05/1982
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Title:
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SILICON PURIFICATION METHOD USING COPPER OR COPPER-ALUMINUM SOLVENT METAL
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Assignee
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| A CORP OF PA |
| PITTSBURGH, PENNSYLVANIA |
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Correspondence name and address
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ANDREW ALEXANDER
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ALUMINUM COMPANY OF AMERICA
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ALCOA CENTER, PA 15069
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