Patent Assignment Abstract of Title
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Total Assignments:
2
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Patent #:
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Issue Dt:
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05/28/1991
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Application #:
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07182050
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Filing Dt:
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04/15/1988
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Inventor:
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DAVID CHEUNG
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Title:
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ELECTRONIC LEARNING AID
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| DICK AND HARRIS |
| 200 WEST MADISON STREET, SUITE 3200 |
| CHICAGO, IL 60606 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 380 WEST PALATINE ROAD |
| WHEELING, ILLINOIS 60090 |
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| LAW OFFICES OF DICK AND HARRIS |
| RICHARD EUGENE DICK, ESQ. |
| 181 WEST MADISON STREET |
| SUITE 3800 |
| CHICAGO, IL 60602 |
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