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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05/15/1990
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Application #:
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07319793
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Filing Dt:
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03/06/1989
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Inventor:
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CHARLES L. THIERHEIMER JR.
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Title:
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SOLVENT FOR PARAFFIN REMOVAL FROM OILFIELD EQUIPMENT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 100 NORTH BROADWAY, A CORP. OF DE |
| ST. LOUIS, MISSOURI 63102 |
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| PATENT DEPT., |
| PETROLITE CORP., |
| 369 MARSHALL AVE., |
| ST. LOUIS, MO 63119 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 3900 ESSEX LANE |
| HOUSTON, TEXAS 77027 |
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| BAKER HUGHES INCORPORATED |
| MARYLN DAWSON |
| 3900 ESSEX LANE, SUITE 1200 |
| HOUSTON, TX 77027 |
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