Patent Assignment Details
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Reel/Frame: | 005875/0350 | |
| Pages: | 2 |
| | Recorded: | 09/30/1991 | | |
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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01/12/1993
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Application #:
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07767894
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Filing Dt:
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09/30/1991
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Title:
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DRY PROCESS FOR REFINING ZINC SULFIDE CONCENTRATES
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Assignee
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11-3, 5-CHOME, SHIMBASHI, MINATO-KU |
TOKYO, JAPAN 105 |
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Correspondence name and address
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J. D. EVANS
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FOLEY & LARDNER
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P.O. BOX 299
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ALEXANDRIA, VA 22313-0299
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