Patent Assignment Details
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Reel/Frame: | 005363/0872 | |
| Pages: | 2 |
| | Recorded: | 07/09/1990 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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07/02/1991
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Application #:
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07304772
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Filing Dt:
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01/31/1989
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Title:
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LUBRICATING OIL COMPOSITION
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Correspondence name and address
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JOHN F. SIEBERTH
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PATENT & TRADEMARK DIV.
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ETHYL CORPORATION
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451 FLORIDA BLVD.
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BATON ROUGE, LA 70801
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