Patent Assignment Details
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Reel/Frame: | 005066/0985 | |
| Pages: | 1 |
| | Recorded: | 04/26/1989 | | |
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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10/23/1990
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Application #:
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07312485
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Filing Dt:
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02/21/1989
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Title:
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LIQUID/LIQUID EXTRACTION OF RARE EARTH/COBALT VALUES
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Assignee
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25, QUAI PAUL DOUMER 02408 |
COURBEVOIE, FRANCE |
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Correspondence name and address
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BURNS, DOANE, SWECKER & MATHIS
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GEORGE MASON BLDG.
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WASHINGTON & PRINCE STREETS
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P.O. BOX 1404
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ALEXANDRIA, VA 22313-1404
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