Patent Assignment Details
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| Reel/Frame: | 013642/0061 | |
| Pages: | 4 |
| | Recorded: | 12/31/2002 | | |
| 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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07/26/2011
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Application #:
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10335118
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Filing Dt:
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12/31/2002
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Publication #:
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Pub Dt:
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07/01/2004
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Title:
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METHOD AND APPARATUS FOR IMPROVING MATH SKILLS
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Assignee
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| 7000 GREENWOOD AVENUE NORTH |
| SEATTLE, WASHINGTON 98103 |
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Correspondence name and address
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BELL, BOYD & LLOYD LLC
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JEFFREY H. CANFIELD, ESQ.
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P.O. BOX 1135
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CHICAGO, IL 60690-1135
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