Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 009089/0455 | |
| Pages: | 4 |
| | Recorded: | 03/27/1998 | | |
| Conveyance: | RELEASE OF PATENT COLLATERAL ASSIGNMENT AND SECURITY INTEREST |
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Total properties:
2
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Patent #:
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Issue Dt:
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12/24/1991
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Application #:
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07599620
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Filing Dt:
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10/18/1990
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Title:
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SEQUENTIAL AND SELECTIVE FLOTATION OF SULFIDE ORES
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Patent #:
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Issue Dt:
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01/07/1992
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Application #:
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07651315
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Filing Dt:
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02/06/1991
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Title:
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SEQUENTIAL AND SELECTIVE FLOTATION OF SULFIDE ORES CONTAINING COPPER AND MOLYBDENUM
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Assignee
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| 1801 PARK 270 AVENUE |
| ST. LOUIS, MISSOURI 63143 |
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Correspondence name and address
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OTTERBOURG, STEINDLER, ET AL.
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SUSAN A. JOYCE, ESQ.
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230 PARK AVENUE
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NEW YORK, NY 10169
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