Patent Assignment Details
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 004722/0823 | |
| Pages: | 1 |
| | Recorded: | 06/08/1987 | | |
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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11/08/1988
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Application #:
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07032374
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Filing Dt:
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03/31/1987
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Title:
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PHOTOGRAPHIC MASKS FOR TONAL CORRECTION
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Correspondence name and address
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WESTON B. WARDELL JR.
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PATENT DIVISION
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LEGAL DEPT.
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E. I. DU PONT DE NEMOURS & CO.
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WILMINGTON, DE 19898
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