Patent Assignment Details
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Reel/Frame: | 005729/0622 | |
| Pages: | 2 |
| | Recorded: | 05/31/1991 | | |
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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11/02/1993
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Application #:
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07708363
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Filing Dt:
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05/31/1991
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Title:
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EXTRACTANT FOR RARE EARTH METAL AND METHOD FOR EXTRACTING THE SAME
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Assignee
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3-7, HONJO 1-CHOME, SUMIDA-KU |
TOKYO, JAPAN |
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Correspondence name and address
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PLATON N. MANDROS
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BURNS, DOANE, SWECKER & MATHIS
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GEROGE MASON BLDG., WASH. & PRINCE STS.,
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P. O. BOX 1404
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ALEXANDRIA, VA 22313-1404
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