Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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11/13/1990
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Application #:
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07248880
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Filing Dt:
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09/23/1988
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Inventors:
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ANN L. LY, CHAOKANG CHU, THANH D. NGUYEN
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Title:
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PROCESS FOR PREPARING ISOTROPIC MICROPOROUS POLYSULFONE MEMBRANES
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 1114 AVENUE OF THE AMERICAS, A CORP OF CT |
| NEW YORK, NEW YORK 10036 |
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| W. R. GRACE & CO.-CONN. |
| PATENT DEPT. |
| 7379 ROUTE 32 |
| COLUMBIA, MD 21044 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 128 SPRING STREET |
| LEXINGTON, MASSACHUSETTS 02173 |
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| W.R. GRACE & CO.-CONN. |
| ROBERT A. MAGGIO |
| 7500 GRACE DRIVE |
| COLUMBIA, MD 21044 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 99 HAYDEN AVENUE |
| LEXINGTON, MASSACHUSETTS 02173 |
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| FISH & RICHARDSON P.C. |
| JEFFREY D. HSI |
| 225 FRANKLIN STREET |
| BOSTON, MA 02110-2804 |
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Assignment:
4
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 99 HAYDEN AVENUE |
| LEXINGTON, MASSACHUSETTS 02173 |
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| JEFFREY D. HSI |
| FISH & RICHARDSON |
| 225 FRANKLIN ST. |
| BOSTON MA 02110-2804 |
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