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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08/11/1992
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Application #:
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07313641
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Filing Dt:
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02/21/1989
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Inventors:
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RITCHARD C. PARRY, DARYL J. GISCH
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Title:
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SOLID PHASE EXTRACTION TUBES CONTAINING SULFONAZIDE BONDED PHASE EXTRACTANTS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| INDEPENDENCE MALL WEST |
| A DELAWARE CORPORATION |
| PHILADELPHIA, PENNSYLVANIA 19105 |
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| JOHN E. TAYLOR III |
| ROHM AND HAAS COMPANY |
| INDEPENDENCE MALL WEST |
| PHILADELPHIA, PA 19105 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3050 SPRUCE STREET |
| ST. LOUIS, MISSOURI 63103 |
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| JOHN E. MAURER |
| SENNIGER, POWER. LEAVITT & ROEDEL |
| METROPOLITAN SQUARE |
| 16TH FLOOR |
| ST. LOUIS, MO 63102 |
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Assignment:
3
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| 3050 SPRUCE |
| ST. LOUIS, MISSOURI 63108 |
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| SENNIGER, POWERS, LEAVITT & ROEDEL |
| JOHN E. MAURER |
| ONE METROPOLITAN SQUARE, 16TH FL. |
| ST. LOUIS, MO 63102 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3050 SPRUCE STREET |
| ST. LOUIS, MISSOURI 63103 |
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| SENNIGER, POWERS, LEAVITT & ROEDEL |
| JOHN K. ROEDEL, JR. |
| ONE METROPOLITAN SQUARE |
| SUITE 1600 |
| ST. LOUIS, MO 63102 |
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