Patent Assignment Details
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Reel/Frame: | 003948/0117 | |
| Pages: | 1 |
| | Recorded: | 02/09/1982 | | |
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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05/03/1983
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Application #:
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06313732
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Filing Dt:
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10/22/1981
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Title:
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3-SUBSTITUTED-7-ALKOXY-SPIRO(2H-1-BENZOPYRAN-2,3'- (3H)-NAPHTHO(2,1-B)PYRANS)
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Correspondence name and address
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DANIEL DE JOSEPH
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C/O ARMSTRONG WORLD INDUSTRIES, INC.
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PATENT DEPARTMENT
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P. O. BOX 3001
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LANCASTER, PA 17604
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