Trademark Assignment Abstract of Title
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Total Assignments:
2
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Serial #:
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Filing Dt:
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10/04/1971
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Reg #:
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Reg. Dt:
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01/23/1973
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Mark:
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PROTON-SPONGE
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Assignment:
1
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Exec Dt:
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01/01/1997
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Entity Type:
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CORPORATION
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Citizenship:
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DELAWARE
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| 509 WEST MONROE |
| HIGHLAND, ILLINOIS 62249 |
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Entity Type:
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CORPORATION
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Citizenship:
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ILLINOIS
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| SIGMA-ALDRICH CO. |
| NORMA MUENCH |
| MSDS DEPARTMENT |
| 3050 SPRUCE |
| ST. LOUIS, MO 63103 |
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Assignment:
2
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ASSIGNS THE ENTIRE INTEREST
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Exec Dt:
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07/01/2001
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Entity Type:
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CORPORATION
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Citizenship:
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ILLINOIS
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| 3050 SPRUCE STREET |
| ST. LOUIS, MISSOURI 63103 |
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Entity Type:
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LIMITED PARTNERSHIP
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Citizenship:
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NONE
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| NORMA MUENCH |
| 3050 SPRUCE STREET |
| ST. LOUIS, MO 63103 |
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