Patent Assignment Details
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| Reel/Frame: | 006425/0272 | |
| Pages: | 3 |
| | Recorded: | 02/22/1993 | | |
| 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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08/24/1993
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Application #:
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07539696
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Filing Dt:
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06/14/1990
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Title:
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GROUP MANAGEMENT CONTROL METHOD AND APPARATUS FOR AN ELEVATOR SYSTEM
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Assignee
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| 6855 WEST 65TH STREET |
| CHICAGO, ILLINOIS 60638 |
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Correspondence name and address
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VISKASE CORPORATION
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PATENT & TRADEMARK DEPARTMENT
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MARY F. BURKE
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6855 WEST 65TH STREET
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CHICAGO, ILLINOIS 60638
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