Patent Assignment Details
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Reel/Frame: | 018679/0783 | |
| Pages: | 2 |
| | Recorded: | 12/28/2006 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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04/07/1992
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Application #:
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07548545
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Filing Dt:
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07/05/1990
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Title:
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AUTOMATIC FILTER CLEANING DEVICE BY ULTRASONIC GENERATOR MODULATED THRU DEVICE SIDE WALL
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Assignee
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50 E. RIVERCENTER BOULEVARD |
COVINGTON, KENTUCKY 41012-0391 |
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Correspondence name and address
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PATRICIA E. CAROTHERS/ASHLAND INC.
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5200 BLAZER PARKWAY
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DA5
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DUBLIN, OH 43017
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