Patent Assignment Details
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Reel/Frame: | 004222/0728 | |
| Pages: | 1 |
| | Recorded: | 02/17/1981 | | |
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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07/03/1984
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Application #:
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06461746
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Filing Dt:
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01/28/1983
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Title:
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ACIDULAR FERRIMAGNETIC IRON OXIDE AND ITS PREPARATION
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Assignee
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RHEINLAND-PFALZ |
6700 LUDWIGSHAFEN, GERMANY |
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Correspondence name and address
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KEIL AND WITHERSPOON
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1101 CONNECTICUT AVENUE,N.W.
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WASHINGTON, DC 20036
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